First EVA ever

First US EVA, cabin ventilated

AMU test (failed), cabin ventilated

Photography work, cabin ventilated

Dismantle of a meteorite detector

Discard EVA equipment into space

Mounting a rope on the Agena satellite

Discard EVA equipment into space

Photography work, cabin ventilated

Photography work, cabin ventilated

Rope-mounting and movement testing

Photography work, discard EVA equipment

Transferring from Soyuz 5 to Soyuz 4

Testing Lunar landing suit, photography work

First lunar landing, install EASEP

Discard EVA equipment

Second lunar landing, install ALSEP

Second lunar landing, inspection of Surveyor

Discard EVA equipment

Third lunar landing, install ALSEP

Third lunar landing, excursion Cone

Discard EVA equipment

Fourth lunar landing, inspection place of landing

Fourth lunar landing, ALSEP, excursion

Fourth lunar landing, second excursion

Fourth lunar landing, third excursion

Discard EVA equipment into space

Recovery of photo cassettes from CSM, cabin ventilated

Fifth lunar landing, ALSEP, excursion

Fifth lunar landing, second excursion

Fifth lunar landing, third excursion

Discard EVA equipment into space

Recovery of photo cassettes from CSM, cabin ventilated

Sixth lunar landing, ALSEP, excursion

Sixth lunar landing, second excursion

Sixth lunar landing, third excursion

Discard EVA equipment

Discard EVA equipment

Recovery of photo cassettes from CSM, cabin ventilated

Attempt to unfold the solar paddle

Unfolding one solar paddle

Replace of photo cassettes on the ATM

Replace of photo cassettes, solar shield

Replace of cassettes, cable installation

Replace of cassettes, recovery of experiments

Mounting of experiments, photography work

Replace of cassettes, photography work

Recovery of experiments, photography work

Replace of cassettes, recovery of experiments

Inspection of the nose docking adapter

Recovery of tools and experiments

Restore damaged KRT-10 antenna

Recovery of tools and experiments

Testing space suit and tools

Installation of a supplied solar cell

Installation of a second supplied solar cell

First flight test of the MMU (McCandless)

Second flight test of the MMU (Stewart)

Attemp to recover SMM with MMU (Nelson)

Repairing of SMM, test of MMU (van Hoften)

Preparations of repairing work

Repairing of fuel pipeline

Repairing of fuel pipeline

Repairing of fuel pipeline

Installation of a third and fourth supplied solar cell

Testing URI tool, first female EVA

Finally repairing of fuel pipeline

Satellite refuelling demonstration, first EVA of an American female astronaut

Retrieving satellite Palapa B 2 using MMU (Allen)

Retrieving satellite Westar VI using MMU (Gardner)

Preparations for a satellite rescue attempt on RMS

Installation of a 5th and 6th supplied solar cell

Recovery of satellite Syncom IV-3, beginning of repairing work

Finishing repairing work and deploying satellite

Building of EASE and ACCESS without RMS

Building of EASE and ACCESS using the RMS

Building large structures, recovery of experiments

Building large structures, recovery of experiments

Working on docking adapter

Installation of a solar cell structure (2 cells)

Finishing work on solar cell structure

Replacing a solar cell element on the Mir

Repairing of Röntgen telescope in Kvant1 module

Finishing repairing, building of a platform

Mounting of ERA, exchange of experiments

Mounting of tools, recovery of experiments

Mounting and rebuilding of tools and segments

Building a platform for SPK "Ikar" on Kvant2 module

First testing of SPK "Ikar" (Serebrov)

Second testing of SPK "Ikar" (Viktorenko)

Repairing thermo isolation of spacecraft

Searching of the leak in Kvant2 module

Repairing of Kvant2 hatch (failed)

Repairing of Kvant2 hatch

Mounting the first Strela crane on Mir

Mounting of restraints for solar cells

Deploying the large radio antenna of the GRO

Testing concepts for getting around the large space structures using CETA

Inspection of failed Kurs antenna

Replace of the Kurs antenna

Mounting of experiments / TV camera

Building platform for the Sofora mast

Mounting Sofora mast on Kvant1 module

Mounting Sofora mast on Kvant1 module

Mounting Sofora mast on Kvant1 module, hoisting the state banner

Dismantle platform, recovery of experiments

Capture of Intelsat VI/F-3 (failed)

Capture of Intelsat VI/F-3 (failed)

Capture of Intelsat VI/F-3 (with hands), mounting an upper stage and deploying satellite

AASEM test for future EVAs

Repairing work on gyroscopic stabilizer

Preparing VDU mounting

VDU mounting re-hoisting the state banner

VDU mounting, tearing out the VDU

Mounting a Kurs antenna on Kristall module

Evaluation of limits of human performance during EVA

Mounting restraints for solar cells

Repairing crane, mounting restraints

EURECA communications antennas manually positioned for latching, evaluation of EVA activity tools and techniques

Preparing Rapana mounting

Evaluating tools for HST-SM-01

Preparing Rapana mounting

Repairing of a valve, movie documentation

Movie documentation

Movie documentation, inspection Sofora

HST-SM-1, replace of Rate Sensor Units

HST-SM-1, replace of solar cells

HST-SM-1, replace of Wide Field / Planetary Camera

HST-SM-1, build in the COSTAR

HST-SM-1, replace of SADE controller

Repairing of Kristall isolation

Preparation work for new setting of solar cells

Test of the self-rescue jetpack SAFER

Evaluation of EVA activity tools (EDFT-01)

Preparation work for new setting of solar cells

Changing Kristall solar cell to Kvant1 module

Folding of the second Kristall solar cell

New setting of the docking adapter

New setting of the docking adapter

Unfolding solar cell on Spektr module

Mounting and recovery of experiments

Mounting and recovery of experiments

Evaluation of EVA activity tools (EDFT-02)

Mounting and recovery of experiments

New setting of the docking adapter

Evaluation of EVA activity tools (EDFT-03)

Evaluation of EVA activity tools (EDFT-03)

Recovery of experiments, testing of SPK "Ikar"

Mounting the second Strela crane on Mir

Mounting different tools on the Docking Module (EDFT-04)

New setting of a solar cell from Docking Module to Kvant1

Installation solar cell on Kvant1 module

Mounting tools on Priroda module

Mounting and exchanging tools on Spektr module

Mounting power bus structure on Kvant1 module

Airlock hatch couldn't be opened (EDFT-05)

New setting of Rapana structure on Kvant1 module

Installation Kurs antenna on Docking Module

HST-SM-02, replace of tools

HST-SM-02, mounting tools

HST-SM-02, mounting tools

HST-SM-02, mounting tools

HST-SM-02, replace Magnetic Sensing System Covers (MSS)

Mounting and recovery of experiments

Inspection of Spektr, repairing of cables

Inspection of Spektr, searching for a leak (failed)

Recovery of experiments from Docking Module (EDFT-06)

Replace of Spektr/Mir hatch

Demounting Kristall solar cell on Kvant1 module

Installation new solar cell on Kvant1 module

Catching SPARTAN, testing crane (EDFT-05/02)

Test of AERCam Sprint (EDFT-05/02)

Recovery of experiments, inspection hatch Kvant2

Testing tools, inspection of complete Mir station

Airlock hatch did not open, EVA failed

Repairing Spektr solar cell structure

Continuing repairing Spektr module

Demounting VDU from Sofora structure

Preparing VDU mounting

Mounting VDU on Sofora structure

Repairing cables in Spektr module

Mounting tools, deploying Sputnik-41

Installation cable from Unity to Zarya module

Mounting tools, unfolding solar cell structure

Mounting restraints, using SAFER

Deploying Sputnik-99, evaluation of tools

Mounting crane (OTD and pieces of Strela)

Mounting parabola antenna on Sofora

Unfolding parabola antenna on Sofora

HST-SM-03, replace gyroscopes

HST-SM-03, replace of main computer

HST-SM-03, replace data recorder

Testing special adhesive, general inspection

Finishing crane mounting, repairing works

Mounting Zvezda connections

The S-band Antenna Support Assembly was relocated on the Z1 Truss. The port Extravehicular Tool Storage Devices were released and transferred from the Spacelab Logistics Pallet to the Z1 Truss. The Space-to-Ground Antenna dish was installed onto the boom and the boom was deployed.

Pressurized Mating Adapter 3 was installed on the Unity Connecting Module nadir port.

Two DC-to-DC Converter Unit-Heat Pipes were installed on Z1. The Z1 keel pin assembly was then relocated to another location on Z1. The starboard Extravehicular Tool Storage Device was released and transferred from the Spacelab Logistics Pallet to the Z1 Truss.

The Z1 utility tray was deployed and its umbilical launch restraints released. The Z1 Manual Berthing Mechanism latches was cycled and opened. Wisoff and Lopez-Alegria performed one safety protocol test -- a flight evaluation of SAFER.

Mounting P6 solar array structure

Mounting P6 solar array structure

Mounting P6 solar array structure

Installing the Destiny lab

Completing installation of the Power and Data Grapple Fixture on the Destiny lab and connecting a shuttle docking part (PMA) from Z1 truss to the Destiny lab

Attaching a spar communications antenna to the space station's exterior and to release a cooling radiator on the station

Unplugging Pressurized Mating Adapter 3 from the Unity Node electrical cables, Lab Cradle Assembly installation and rigid umbilical installation

Transferring the Early Ammonia Servicer to the P6 Truss, installing the External Stowage Platform and deliver a replacement Pump Flow Control System

Installing the Canadian built robotic arm (57.7 foot long) called: Canadarm2

Connecting the Power and Data Grapple Fixture circuits for the robotic arm

Installing a docking cone to prepare for the arrival of the Russian docking compartment

Installing Joint Airlock Module ("Quest") and attaching two high-pressure oxygen tanks

Mounting one oxygen and one nitrogen tank

Attaching the final nitrogen tank

Attaching an ammonia servicing unit and two science experiment packages

Mounting backup cables for future assembly

Using first time the new Russian built airlock and docking port named Pirs, which docked on the Zvezda module since September 2001

Mounting a variety of instruments outside the Zvezda service module

Connecting seven cables between Zvezda service module and Pirs docking module and take photos

Cutting away a rubbery O-ring seal that was preventing an unmanned cargo freighter from properly docking to the complex

Adding insulation blankets around two critical solar array drive, but they were unable to tighten up a solar array support truss

Moving a Strela cargo crane and install an amateur radio antenna

Installing six thruster deflectors at the rear of the Zvezda Service Module, retrieving and replacing a device to measure material from the thrusters and installing a ham radio antenna and its cabling

Performing housekeeping chores and gather tools to prepare for the next station assembly mission

Installing a new generation solar array on the starboard side of the HST

Installing the new port side array and replacing one of the four Reaction Wheel Assemblies

Replacing the Power Control Unit (PCU), the "electrical heart" of the HST

Changing the Faint Object Camera (FOC) with the Advanced Camera for Surveys (ACS) and installing a new electronic support module for the NICMOS Cryo Cooler

Installing the experimental cooling system (Cryo Cooler), replacing the solid nitrogen cooler of NICMOS

Installing the (S-Zero) truss segment

Mounting two large tripod legs of the truss to the Destiny laboratory

Rewiring the Canadarm2 and finishing the complex's newly delivered rail car (Mobile Transporter) to move

Installing a ladder, testing electrical switches for upcoming truss expansion and attaching external light and equipment to be used in future assembly work

Installing a Power and Data Grapple Fixture to the station's P6 truss, to gather six micrometeoroid debris shields from the shuttle cargo bay and to store them temporarily on the PMA-1

Completing the installation of the second component of Canada's Remote Servicing System to the ISS; they connected power and data cables to the newly installed Mobile Base System (MBS) and bolt it to the Mobile Transporter

Replacing a faulty wrist-roll joint on Canadarm2

Installing first six of an eventual 23 debris shields on Zvezda

Attaching equipment to the station's exterior that will be used during future spacewalks and installing hardware for the Russian Kromka experiment

Hooking up power, data and fluid connections between the S0 truss and the newly installed S1

Installing a video camera on the hull of the Unity node; connecting fluid lines leading to the S1's ammonia tank assembly; finish removing launch locks holding the CETA cart in place; installing 25 of 31 "spool positioning devices"

Performing some final outfitting and configuring of the new S1 truss and free a stuck bolt on the station's mobile railcar

Hooking up connections between the P1 and S0 trusses and do other work and installations

Installation of the fluid jumpers where the S0 and the P1 are attached to each other, relocation of the CETA cart from the P1 to the S1 Truss.

Installation of more SPDs (Spool Positioning Devices), reconfiguration of electrical harnesses that route power through the Main Bus Switching Units and attaching Ammonia Tank Assembly lines.

Continuing outfitting and activating the International Space Station's newest component, the P1 (P-One) Truss and relocating a toolbox from the Z1 Truss to one of the Crew and Equipment Translation Aid.

Reconfiguring power connections, providing a second power source for one of the Station's control moment gyroscopes, securing thermal covers on quick disconnect fittings for the station's thermal control system and to get a latch unstuck, which holds down a support for a light on the Crew and Equipment Translation Aid (CETA) carts.

Installation of new experiments and replace and removing parts for existing experiments on the exterior of the ISS

Abort of a planned six-hour spacewalk

Installing a new circuit breaker to restore power to one of four gyroscopes that help to orient the complex

Replacing several materials exposure experiment packages and a thruster contamination monitor, installing reflectors and communications equipment needed for the docking of a new European Space Agency cargo ship

Installing three antennas on the exterior of the Zvezda Service Module; replacing of a pump panel on the Zarya module; installation of guides for spacesuit tethers on Zarya handrails

Installing a work platform on the hull of the command module, to mount the European commercial experiment Rokviss, to relocate the Japanese space exposure experiment package and to install a Russian biological experiment

Installing three communications antennas for the ATV and a GPS antenna; Sharipov manually deployed a Russian experiment, tossing a small science satellite called "Nanosatellite" into orbit

Testing thermal protection system repair techniques and installation of the External Stowage Platform-2 Attachment Device (ESPAD) on the space station

Replace of a failed International Space Station attitude control gyroscope

Attach of a massive external tool box to the space station's Quest airlock module; mounting an experiment package on the top of the station's solar array truss; and remove two "gap fillers" sticking up between heat shield tiles on Discovery's belly

Change out a Russian biological experiment, retrieve some radiation sensors, remove a Japanese materials science experiment, taking photographs of a Russian materials experiment, install a television camera and relocate a grapple fixture

Installing a camera on the port side of the station's horizontal truss structure and removing an old experiment from the solar array truss on top of the facility

Installing a safing bolt to prevent the inadvertent firing of an electro-mechanical cable cutter on a mobile transporter used to move the station's big robot arm to different work sites; deployed SuitSat, an old Russian spacesuit with an amateur radio transmitter

Installing a new hydrogen vent valve on the hull of the Zvezda Service Module to bypass a similar valve that is clogged.

Maintenance on the station’s mobile transporter and a test of astronaut movement on the end of the robotic arm boom extension for possible heat shield repairs during future flights

Installation of a spare thermal control system pump on to the outside of the Quest Airlock; replacement of reel assembly for a cable that provides power and data to the station’s mobile transporter

Demonstration of on-orbit heat shield repair techniques

Installing items of hardware in preparation for future ISS assembly work and set up for deployment a number of instruments and experiments mounted on the outside of the station

Installation of power and data cables between the P1 and P3/P4 structures in preparation for solar array deployment

Continue work to prepare the International Space Station’s P3/P4 integrated truss for operation

Performing final tasks required for activation of the Solar Alpha Rotary Joint (SARJ); they also prepared the P3/P4 truss and its solar arrays for operation by setting the stage for deployment of the truss' radiator

Retrieving equipment and photograph the station's Russian Zvezda Service Module's docking port, Tyurin also hit a golf ball from a specially designed tee mounted on the Pirs airlock as part of a Russian commercial activity

Align and connect the P5 truss segment to P4

Reconfigure power on channels 2 and 3 of the station's electrical system

Reconfigure power on channels 1 and 4 of the station's electrical system

Fully retract the array

Completing the activation of the lab complex's permanent ammonia cooling system. They made several of electrical and fluid line connections to tie the heat exchangers into coolant loop A.

Reconfiguring the second of two cooling loops for the Destiny module, securing the aft radiator of the P6 truss after retraction and preparing the obsolete Early Ammonia Servicer for removal this summer.

Removing shrouds, which provide thermal shading and which are larger than king-size bed sheets; they also made groundwork for attachment of a cargo carrier and preparing work for the relocation of the P6 Truss

Successful attemp to free a stuck antenna on the ISS Progress M-58 cargo craft docked at the aft end of the station. They also surveyed docking navigation systems for the European Automated Transfer Vehicle.

Installing orbital debris protection panels on the Zvezda Service Module and replacing experiments on the hull of Zvezda

Installing a section of Ethernet cable on the Zarya module, installing additional Service Module Debris Protection (SMDP) panels on Zvezda, and deploying a Russian scientific experiment

Hooking up power cables to begin activation of the S3/S4 truss and starting to prepare the Solar Alpha Rotary Joint, also known as the SARJ, for activation

Continuing the activation of the S3/S4 and assist in the retraction of the starboard solar array on the Port 6 (P6) truss

Finishing removing the SARJ's launch locks and restraints so that it can be activated and repairing of the Shuttle's heat shield

Final work to activate the Solar Alpha Rotary Joint (SARJ)

Replacing a failed power controller on the station's truss, jettison a refrigerator-sized ammonia reservoir tank and clean seals on a docking port on the Unity module

Removing locks from the S5 that secure it during launch and lock it in place, relocating a radiator from its launch position to the bottom of the S5 to provide clearance for solar arrays to track the sun.

Moving a failed control moment gyroscope (CMG-3) to ESP-2, a new platform, ESP-3, was added to the station, disconnecting ESP-3 power cables to prepare it for permanent relocation to the station

Preparing for the relocation of the P6 truss segment on the STS-120 mission, moving two equipment carts from the right to left side of the station and relocating an antenna and upgrade avionics and communication systems.

Installing support equipment on the S1 truss that will allow for an addition to the inspection boom during the STS-123 mission, and installing a system to provide better wireless video coverage during future missions

Retrieve S-band Antenna Support Assembly, detach Node 2 ("Harmony") heater cables, disconnect Z1/P6 truss fluid lines, install shrouds on P6 radiator and Sequential Shunt Unit, move and attach Node 2 to Node 1 left-hand docking port with Station robotic arm, pressurise area between Node 1 and Node 2 hatches, open Node 1 hatch

Disconnect Z1 to P6 truss cables and unbolt P6; outfit outside Node 2 with handrails, remote Node 2 berthing mechanism restraints; install grapple fixture on Node 2; configure squib firing unit on S1 truss for deploying radiators.

The astronauts bolt P6 truss to P5 truss, attached P5 to P6 cabling, removed P6 radiator restraint and cover on Sequential Shunt unit and deploy radiator.

Attaching cufflink-like clips across the 15-foot width of the torn P6-4B solar array blanket to provide the strength needed to permit its full extension. This dramatic repair job was carried out successful.

They disconnected cables from Destiny to PMA 2, demated avionics cables and released fluid tray bolts. They performed also a temporary stow of CETA light on Destiny.

Complete the exterior hookup of Harmony. Much of the spacewalk included the moving of a 300-pound, 18.5-foot fluid tray from its temporary location at the center of the station's main truss to Harmony.

Complete the exterior hookup of Harmony. Much of the spacewalk included the moving of another 300-pound, 18.5-foot fluid tray from its temporary location at the center of the station's main truss to Harmony.

Examination of the starboard Solar Alpha Rotary Joint (SARJ) and return a trundle assembly to the station's interior.

Replacing a motor with electrical failures, the Bearing Motor Roll Ring Module (BMRRM), called the 'broom". Inspection of the starboard Solar Alpha Rotary Joint (SARJ).

Preparing the Columbus module for installation on Harmony. They installed the Power Data Grapple Fixture on Columbus. Preparing work to remove the Nitrogen Tank Assembly, a part of the station’s thermal control system, from the P1 truss.

Removing the old NTA and temporarily store it on an equipment cart. They then installed the new one. The old NTA was transferred to the shuttle's payload bay for return home.

Installing two payloads on Columbus' exterior: SOLAR. Moving a failed control moment gyroscope from its storage location on the station to the shuttle's payload bay for return to Earth.

Preparing the JEM ELM PS for its removal from the shuttle's payload bay.

Assembling Special Purpose Dexterous Manipulator (SPDM), named Dextre by removing covers and installing arm components on its main body.

Completing Dextre assembly by installing a tool platform and tool holster assembly.

Evaluating the Shuttle Tile Ablator-54. The Tile Repair Ablator Dispenser, or T-RAD. They used TRAD to mix and squirt out the STA-54 material into holes in several demonstration tiles.

Moving the Orbiter Boom Sensor System to a temporary location on the station's main truss. They also installed a new trundle bearing assembly in the starboard Solar Alpha Rotary Joint.

Transfer of the Orbiter Boom Sensor System back to the shuttle from its temporary location of the station's truss, or backbone. The crew then prepared the JEM PM for its removal from the shuttle's payload bay.

Installing covers and external television equipment on the JEM PM and remove covers on the JEM RMS. They also prepared for the relocation of the Japanese logistics module.

Replacing a failed nitrogen tank assembly on the station's truss with a spare that was temporarily stored on one of the station external stowage platforms. They also retrieved a failed camera system on the truss.

Inspection of the Soyuz TMA-12 spacecraft, checking the five locks that attach the return module to the propulsion module, and retrieve a suspect pyrotechnic bolt for inspection by engineers on the ground.

Removing and installing science experiments. They also installed rendezvous equipment for a new Russian module scheduled for launch late summer 2009.

First Chinese EVA

Replacing a depleted nitrogen tank and a device used to help the flow of coolant from the truss. They also started inspecting, cleaning and lubricating the starboard SARJ and begin replacing 11 of 12 trundle bearings.

Relocating two equipment carts, setting the stage for the installation of the starboard S6 truss. They also lubricated the end effector of the Canadarm2. They also continued lubricating the starboard SARJ and replacing trundle bearings.

Completing starboard SARJ cleaning, lubricating and trundle bearing work.

Kimbrough lubricated the port SARJ, while Bowen reinstalled the thermal insulation covers on Kibo. He then installed two GPS antennas on Kibo's logistics module, while Kimbrough installed a new TV camera on the truss.

Deploying and retrieve several Russian experiments on the station's exterior and installing a device to measure electromagnetic forces imparted on station hardware as the complex moves through low Earth orbit

Installing of EXPOSE-R, a European experiment that exposes seeds and spores to the space environment

After Canadarm2 released S6, the spacewalkers plugged in power and data cables to connect the new hardware and remove launch restraints from the photovoltaic radiator and the boxes containing the new solar arrays.

First task was to prepare a worksite for new batteries that will be brought up on the STS-127 mission. They also installed a Global Positioning System antenna on the pressurized logistics module attached to the Kibo laboratory.

Moving one of the station's two Crew and Equipment and Translation Aid - or CETA - carts. With that work done, one of the carts was moved back to the station's port side, leaving a cart for use on either side of the truss.

Replacing a wide field camera. They also swapped out three batteries and installed a mechanism for a spacecraft to capture for de-orbit at the end of the telescope's life.

Changing out three boxes, each containing two of the telescope's six gyroscopes, and three batteries.

Installing the Cosmic Origins Spectrograph. They also conducted repairs to the Advanced Camera for Surveys, which has experienced power failures, causing two of the telescope's three observing channels to stop operating.

Repairing and upgrade the Space Telescope Imaging Spectrograph and install a stainless steel blanket on Hubble's exterior. The blankets provide additional thermal protection for some equipment bays, replacing the existing multi-layer insulation that has degraded over time.

Replacing a sensor needed for pointing the telescope and install another blanket on Hubble's exterior.

Preparing Pirs for the arrival of a new Russian module called the Mini-Research Module 2, or MRM2

Interior spacewalk to the transfer compartment between the Zvezda service module and the Zarya module for setting the stage for the MRM2's launch and automated linkup.

Prepare connecting mechanisms for Kibo and the exposed facility.

Transport of spare parts from a cargo carrier to a stowage platform on the station's truss. They also relocated a grapple bar onto an ammonia tank assembly as a get-ahead for the STS-129 mission.

Preparing the exposed facility for experiment transfers and replace two out of the six batteries (four were planned) on the port side truss where they are housed to provide power for the truss.

Replacing the final four batteries on the port truss.

Removing covers from the Dextre robotic arm, reconfigure cables on a panel for some circuit breakers and deploy two additional payload attachment systems. They also installed a second camera. Finally, they replaced an aging camera system on the starboard truss.

Preparing for the replacement of an empty ammonia tank on the station's port truss. They also retrieved a materials processing experiment and a European science experiment mounted outside the Columbus laboratory.

Removing the new ammonia tank from the shuttle's payload bay and replacing it with the used tank on the station.

Preparing for the arrival of the Tranquility node by attaching cables between the starboard truss and the Unity node. The spacewalkers also replaced a communications sensor device, installed two new GPS antennas and a new circuit breaker.

Installing a bracket for ammonia lines on the Unity module. They lubricated the grapple mechanism on the Payload Orbital Replacement Unit Attachment Device on the Mobile Base System.

Installing the GATOR bracket to the Columbus laboratory. They installed on the truss an antenna for wireless helmet camera video. They also relocated the Floating Potential Measurement Unit that records electrical potential around the station.

Installing a new oxygen tank on the Quest airlock. They worked the heater cables on a docking adapter in advance of the Tranquility node's installation on Unity's port side and deployed another cargo platform on the truss.

Preparing the Mini-Research Module 2, known as Poisk, for future Russian vehicle dockings.

The spacewalkers removed and stored a spare parts platform from the Special Purpose Dexterous Manipulator, or Dextre. Finally, they installed four electronics systems cables between Unity and Tranquility to bring the new node to life.

Installing ammonia plumbing connectors between Unity and Tranquility and covered them with thermal insulation.

Turning on the ammonia cooling lines between Unity and Tranquility, installing heater and data cables on Tranquility, removing insulation and launching locks from the newly-installed Cupola, and installed handrails on the outside of Tranquility.

The crew inside removed a new ammonia tank from shuttle's payload bay and temporarily stowed it on the station. Next, the pair installed a grapple bar to the new ammonia tank on the station's truss. The pair also replaced a failed gyroscope that is part of the station's navigation system.

The astronauts removed the empty ammonia tank from the station's truss and temporarily stowed it on an equipment cart. The new tank then was installed and connected to the truss for use.

First they finished the complicated change out of the large ammonia tank assembly. The spacewalkers also removed the grapple bar from the old ammonia tank and stowed it on a spare parts platform.

Installing a spare space-to-ground Ku-band antenna on the station's truss. Then they installed a new tool platform on Dextre. The spacewalkers breaked the torque on bolts holding batteries in place on the truss.

Removing and replacing four of the six batteries on the port truss to store electricity from the solar arrays on that truss. The used batteries were installed on the cargo carrier for return to Earth on Atlantis.

Installing the final two new batteries on the truss and put the old batteries on the carrier. Next, they retrieved a grapple fixture from Atlantis' payload bay and brought it inside the station for use as a spare.

Preparing the recently delivered Russian Rassvet Module for future automated dockings by Russian spacecraft

They started disconnecting umbilicals from the broken space station coolant pump. However, difficulty unplugging one of the ammonia lines consumed a couple of hours and a leak seen from that connector once it finally cooperated prevented the astronauts from progressing any further in their work.

Removing the old pump and stowing it on the Mobile Base System on the station's truss while preparing the replacement pump for its removal from a stowage platform adjacent to the Quest airlock and its installation on the truss during a third spacewalk.

Installation of a spare ammonia pump module on the S1 Truss.

Installing a multipurpose workstation on the starboard side of the Zvezda service module’s large-diameter section, cleaning thermal insulation around the vents for the Elektron oxygen-generation system and relocating a television camera from one end of the Rassvet docking compartment to the other.

Completing installation of a new high-speed data transmission system, removing an old plasma pulse experiment, installing a camera for the new Rassvet docking module and retrieving a materials exposure package.

They retrieved a pair of panels exposed to space as part of an experiment to identify the best materials for building long-duration spacecraft. The cosmonauts also deployed an experiment called ARISSat-1, or Radioskaf-V.

They installed a power extension cable between the Unity and Tranquility nodes to provide a contingency power source. The spacewalkers moved the failed ammonia pump module from an attachment bracket to a stowage platform adjacent to the Quest airlock. They next replaced a guide for the rail cart system used for moving cargo along the truss.

The astronauts removed thermal insulation from a platform. Bowen then installed a camera assembly on the Dextre robot.

They installed a new package of experiments on ELC-2. Next they installed jumpers between segments on the left-side truss, for ammonia refills; vent nitrogen from an ammonia servicer; and installed an external wireless communication antenna on the Destiny laboratory.

The astronauts refilled radiators with ammonia. They also completed venting the early ammonia system, lubricated a left-side solar joint and parts of Dextre.

Installing a grapple on the Zarya module to support robotic operations based from the Russian segment.

They stowed the shuttle's boom on the right-side truss, retrieved the grapple from the station's left-side truss. They then released restraints from one of the arms on Dextre.

Transfer of a failed ammonia pump to the shuttle cargo bay, transfer of the Robotic Refueling Mission (RRM) to the station and place an experiment on ELC-2 for long-duration exposure.

Moving a small crane, installing a communications terminal and removing and inspect antennas. Other tasks included installing a materials science experiment and deploying a micro-satellite.

Space crane Strela 1 relocation from DC1 to MRM2, jettison MLI (Multi-Layer Insulation) cover, installing the Strela 1 on MRM2, stowing Strela 2 at DC1, installing an experiment on the DC1, taking a sample from the MLI insulation of the SM and collecting one (of two planned) samples from the "Test" experiment.

The cosmonauts moved a Strela-2 cargo boom from the Pirs docking compartment to the Zarya module.

The astronauts replaced a faulty power routing unit (partly failed) on the station's truss and run cables for an upcoming Russian laboratory module.

The astronauts completed the installation of a spare power unit on the station's truss.

The astronauts repaired an ammonia leak on one of the station's port-side radiators.

They installed the Obstanovka plasma wave experiment. They then removed a container from the Russian experiment Biorisk.

Inspection and replacement of a pump controller box on the station’s far port truss (P6) suspected of leaking ammonia coolant.

They replaced a fluid flow regulator on the Russian segment’s Zarya module. They also removed the Photon-Gamma unit of the Molina-Gamma experiment from a portable workstation on Zvezda.

The astronauts replaced a space-to-ground communications receiver and wireless video equipment and installed power and cables for a Russian multipurpose laboratory module.

The spacewalk was terminated after just one hour due to an unexplained build up of water inside the space suit helmet of Luca Parmitano.

They continued routing power and ethernet cables for the future arrival of the Russian Multipurpose Laboratory Module. They also installed on the Poisk module a panel of experiments.

The cosmonauts removed a space laser communications system from the hull of the Zvezda service module.

The cosmonauts carried the Olympic torch when they ventured outside the International Space Station. After the photo opportunity, they prepared a pointing platform on the hull of the station's Zvezda service module for the installation of a high resolution camera system in December 2013.

The EVA mainly focused on disconnecting the failed loop A pump module from its location on the Starboard 1 (S1) Truss - including the infamously difficult ammonia disconnections.

They removed a spare pump module from the ESP-3 and installed it on the Starboard 1 (S1) Truss.

The cosmonauts attempted to install a pair of cameras on the Zvezda Service Module as part of a Canadian commercial endeavor designed to downlink Earth observation imagery and to refresh experiments.

Reinstalling a pair of high-fidelity cameras as part of a commercial endeavor between a Canadian firm and the Russian Federal Space Agency.

The astronauts replaced a backup multiplexer-demultiplexer (MDM) that failed during routine testing April 11, 2014.

The cosmonauts installed an automated phased antenna array (AFAR). They also relocated a part of the Obstanovka experiment.

The cosmonauts deployed a nanosatellite, installed two experiment package) and retrieved others. In addition they installed holder on Automatic Phased Array (AFAR) antenna.

The astronauts moved a failed cooling pump from temporary to long-term storage on the station's truss. They also installed a new relay system that will provide backup power options to the mobile transporter, which moves the large robotic arm around the out outside of the space station.

They replaced a sequential shunt unit electronics box, a voltage regulator.

The cosmonauts removed and jettisoned several pieces of hardware no longer needed on the Russian segment of the station and conducted a detailed photographic survey of the exterior surface of the Russian modules.

The astronauts started routing cables for the International Docking Adapter (IDA).

The astronauts unfurled and hooked up two more long cables and Terry Virts lubricated the grapple fixture on the end of the space station's robot arm (SSRMS).

They installed new antennas and cabling needed for communications between the station and commercial crew capsules bound for, or departing from, the new docking adapters.

Photographic inspection of the station's Russian segment, retrieval of an experiment, window cleaning and surface sampling.

The EVA focused on station upgrades and maintenance tasks, including installing a thermal cover on the Alpha Magnetic Spectrometer.

The astronauts attempted to restore the port truss ammonia cooling system to its original configuration.

The pair moved the station's mobile transporter rail car so it can be latched in place ahead of the docking of a Russian cargo resupply spacecraft on December 23, 2015.

They replaced a failed voltage regulator that compromised one of the station's eight power channels. Additional tasks included deploying cables for the future installation of an IDA.

They dismantled a monoblock responsible for exposing samples of organic and biological materials at experiment Expose-R . At the same module, they had to replace a removable cassette container.One of the important tasks was works on an experiment with the goal to develop technologies for sticking film thermal control coating.

Installation the first of two IDAs onto PMA-2.

They retracted a thermal radiator. They also tightened struts on a solar array joint, and installed the first of several enhanced high-definition television cameras.

The astronauts installed adapter plates and hooked up electrical connections for three of six new lithium-ion batteries.

The astronauts installed adapter plates and hooked up electrical connections for the final three of six new lithium-ion batteries .

Main objective was to prepare the PMA-3 for installation of the second IDA. They disconnected cables and electrical connections on PMA-3 to prepare for its robotic move.

This spacewalk featured the astronauts reconnecting cables and electrical connections on PMA-3 at its new home on top Harmony.

They replaced an avionics box on the starboard truss called an ExPRESS Logistics Carrier (ELC), a storage platform.

The astronauts replaced a backup multiplexer-demultiplexer (MDM) that failed on May 20, 2017.

They deployed several nanosatellites, collected research samples and performed structural maintenance.

They replaced one of two Latching End Effectors (LEE) on the station's robotic arm, Canadarm2.

The spacewalkers lubricated the newly installed end effector and replaced cameras.

The spacewalkers devoted their work again to lubricating the newly installed end effector and replacing cameras.

The objective was to replace one of two redundant latching end effectors (LEE) on Canadarm2, the station's robotic arm, which has experienced some degradation of its snaring cables.

The primary objectives during the spacewalk were to remove and jettison the ShA-317A-II radio receiver for the "Lira" high-gain communications antenna on the Zvezda service module and install an upgraded electronics box to communication.

The astronauts moved a Latching End Effector (LEE), or hand, for the Canadian-built robotic arm, Canadarm2, from a payload attachment on the station's Mobile Base System rail car to the Quest airlock.

They installed wireless communications equipment on the station's Tranquility module to enhance payload data processing for the ECOSTRESS experiment. The crew members also swapped out high-definition video cameras on the port truss of the station's backbone.

They moved PFCS from a spare parts platform on the station's truss "backbone" to the Special Purpose Dexterous Manipulator (Dextre) robotic arm.

They installed a pair of brackets and high-definition cameras on the Harmony module that will help commercial crew vehicles align with the international docking adapter at the forward end of Harmony.

The duo released four tiny satellites into Earth orbit, installed antennas and cables on the Zvezda service module and installed an experiment called Icarus onto the Russian segment of the space station.

They used this spacewalk to examine a section of the external hull of the Soyuz MS-09 spacecraft currently docked to the space station. The cosmonauts took samples of any residue found on the hull and take digital images of the area.

They installed the adapter plates for the new batteries and to replace nickel-hydrogen batteries with newer, more powerful lithium-ion batteries for the power channel on one pair of the station's solar arrays.

The two astronauts successfully connected three newer, more powerful lithium-ion batteries to replace the previous six nickel-hydrogen batteries that provide power for one channel on one pair of the station's solar arrays.

The astronauts laid out jumper cables between the Unity module and the S0 truss. They also installed cables to provide for more expansive wireless communications coverage outside the orbital complex.

They installed handrails on the Russian segment between Poisk and Zarya modules, removed the thermosensor TP228 to get a Soyuz MS life time of 370 days, retrieved results of the experiment "Test" from the surface of the Poisk module, they had to remove the exposure devices for the space experiments "Test" and "Obstanovka".

The duo assisted in the installation of International Docking Adapter-3 (IDA-3) to Pressurized Mating Adapter-3 on the space-facing side of the station's Harmony module.

It was the first in a series of spacewalks dedicated to replacing batteries on the far end of the station's port truss. The existing nickel-hydrogen batteries were upgraded with newer, more powerful lithium-ion batteries.

The duo continued to replace nickel-hydrogen batteries with more powerful lithium-ion batteries (working site: P6 Channel 2B battery R&R A-F).

The EVA was needed to replace a faulty battery charge/discharge unit (BCDU). The BCDU failed to activate following the October 11, 2019 installation of new lithium-ion batteries on the space station's truss.

It was the first in a series of complex spacewalks in November and December 2019 to repair the Alpha Magnetic Spectrometer (AMS-02), They set up tools and equipment before removing a protective debris shield from the AMS-02.

They continued their work to replace a cooling system and fixed a coolant leak on AMS-02. Luca Parmitano and Andrew Morgan cut and label stainless steel tubes, of which there are eight.

Main task was to install a new pump module. The astronauts installed a bypass to the old thermal control system by attaching a new one off the side of AMS-02.

The astronauts continued to replace nickel-hydrogen batteries with more powerful lithium-ion batteries (working site: P6 Channel 4B battery R&R A-F).

Their task was again to replace nickel-hydrogen batteries with more powerful lithium-ion batteries on the far end of the station's port truss (working site: P6 Channel 4B battery R&R A-F).

The main task was to carry out leak checks, make adjustments and then to re-installed insulation on AMS-02.

It was the first in a series of spacewalks dedicated to replacing batteries on the far end of the station's starboard truss. The existing nickel-hydrogen batteries were upgraded with newer, more powerful lithium-ion batteries.

The duo continued to replace nickel-hydrogen batteries with more powerful lithium-ion batteries (working site: S6 Channel 1B battery R&R A-F). In addition they routed communication cables.

The astronauts continued to replace nickel-hydrogen batteries with more powerful lithium-ion batteries (working site: S6 Channel 3B battery R&R A-F). They removed all six older nickel-hydrogen batteries for the truss' power system and installed three new lithium-ion batteries.

The astronaut duo worked on removing two lifting fixtures, prepared the outside of the Tranquility module for the arrival later this year of the Nanoracks commercial airlock, routed ethernet cables.

Replacement of the liquid flow regulator's removable panel on Zarya, work on scientific equipment, commutation of the Tranzit-B antenna on Pirs to the Poisk module change the position of sensors for the precipitation and pressure control unit on the Poisk module.

This spacewalk focused on completing cable and antenna rigging for the "Bartolomeo" science payloads platform outside the ESA Columbus module. The duo also configured a Ka-band terminal, known as COL-Ka.

Main tasks were the installation of a final lithium-ion battery adapter plate on the port 4 (P4) truss that wrapped up battery replacement work begun in January 2017.

They began assembling and installing modification kits required for upcoming solar array upgrades.

They completing the modification kits for the IROSA solar arrays to be delivered to ISS later this year.

They vent and relocated ammonia jumper cables, installed a structural "stiffener" on the airlock thermal cover, and completed the connection of payload cables on the new Bartolomeo platform on the Columbus module.

The cosmonauts prepared Pirs for removal from its port by the uncrewed Progress MS-16 cargo ship on the Earth-facing side of Zvezda, clearing the way for the arrival of the new Russian Multi-Purpose Laboratory Module named "Nauka".

They installed the first array on the far end of the left (port) side of the station's backbone truss structure (P6) to upgrade the 2B power channel.

The duo worked on the far end of the P6 to unroll the first of two iROSAs that will augment power capability for the port 6 truss' 2B power channel.

The spacewalkers installed the second solar array to upgrade the 4B power channel on the P6 truss.

Liu Boming, initially working alone, attached a foot restraint and platform to the end of the station's 10-meter robotic arm and then mounted the arm himself. Tang Hongbo, tethered to the handrails running along the exterior of the space station

The objectives of this EVA were to raise another panoramic camera (panoramic camera D) and install some pumps on the exterior of Tianhe. Finally, they finished installing additional foot restraints onto the station as well as a work platform on the station's robotic arm.

The work included the routing of cable connections to the MLM-U Nauka, the installation of handrails on the MLM-U Nauka and the laying of an Ethernet cable between Nauka and Zvezda.

They completed the external outfitting of Nauka. They finished the laying out of power and data cables between Nauka and the Zvezda Service Module.

They installed a support bracket on the inward port side of the station's backbone truss structure in a position known as P4. The crew also replaced a device that measures the electrical charging potential of the arrays.

First EVA of a Chinese woman. The astronauts installed a grapple fixture for the robotic arm on the nadir side of the corridor section of the core module.

They replaced a faulty Communications Antenna on International Space Station.

Tasks were the deployment of the external camera platform "C" outside the core module and various object translation test objectives.

Assembly of handrails between the Nauka and Prichal modules, the connection of cables for the "Kurs-P" communication system between the Prichal and Nauka modules, the installation of the antennas AR-VKA / 2AR-VKA and 4AO-VKA, the connection of a TV cable between the modules Prichal and Nauka, the dropping of the cover of the 4AO-VKA -Antenna as well as the dismantling and dropping of the antennas 2ASF1-M-VKA No. 1, 2 and AO-753A.

The pair installed brackets and struts to support the future installation of an ISS Roll-Out Solar Array (iROSA).

The duo installed hoses on a Radiator Beam Valve Module that routes ammonia through the station's heat-rejecting radiators to keep systems at the proper temperature. The astronauts also installed a power and data cable on the Columbus module's Bartolomeo science platform, replaced an external camera on the station's truss, and conducted other upgrades to station hardware.

Both installed and connected a control panel for the European robotic arm, a 37-foot-long (10.6 meter) manipulator system mounted to the recently arrived Nauka multipurpose laboratory module. They removed protective covers from the arm and installed handrails on Nauka.

The duo jettisoned thermal blankets used to protect the arm during its July 2021 launch with Nauka. They also flexed the arm's joints, released launch restraints, and monitored the arm's ability to use two grapple fixtures.

They continued preparing the ERA manipulator for operation and launched 10 small spacecraft - two Tsiolkovsky-Ryazan satellites and eight YuZGU-55 satellites created by Russian students.

They continued work on integrating the European remote manipulator ERA into the Russian segment of the ISS.

The astronauts outfitted the space station with tools needed to support future activities.

The primary objectives of the spacewalk were to relocate an external control panel for the arm from one operating area to another and test a rigidizing mechanism on the arm that will be used to facilitate the grasping of payloads.

They installed the foot restraint B and an assisting hatch handle. In addition, they installed payload a circulating pump and demonstrated extravehicular emergency rescue.

They assembled a mounting bracket on the starboard side of the station's truss assembly.

They installed a inter-module connecting device and raised the Wentian panoramic camera A. In addition they installed handrails on the small robotic arm.

The cosmonauts prepared the cooler heat exchanger on the Rassvet module for the transfer to the Nauka module

They installed an IROSA (ISS Rollout Solar Array) on the starboard 4 truss at the International Space Station.

The astronauts installed an IROSA (ISS Rollout Solar Array) to augment power generation for the 4A power channel on the station's port truss.

The duo completed the installation of a mounting platform on the 1B power channel that was started during a previous spacewalk and began installing a mounting platform on the 1A power channel.

Main task was to complete installation of a mounting platform on the 1A power channel as part of a planned solar array augmentation on the starboard side of the station's truss.

Installing the first additional pump block of the thermal control system and attaching the first external platform to the Mengtian module of Tiangong Station

They installed an instrument with 20 plugs during their 2nd and most secret spacewalk.

In the 3rd spacewalk, they connected inter-module cables.

Installing the second additional pump block of the thermal control system and attaching the second external platform to the Mengtian module of Tiangong Station

Main task was to move a radiator from the Rassvet Module and attach it to the Nauka Multipurpose Laboratory Module.

Main task was to lay cables for the 1A and 1B power channel iROSA upgrades. The astronauts were unable to free up an electronics box located on the truss associated with a degraded S-band communications antenna. The antenna removal was deferred to a future spacewalk ahead of its planned return to Earth.

They moved by using the European arm ERA an experiment airlock from the Rassvet Module and attached it to the Nauka Multipurpose Laboratory Module.

Main task was to deploy a radiator on the Nauka Multipurpose Laboratory Module and attach mechanical, electrical and hydraulic connections.

They installed an upgraded iROSA (International Space Station Roll-Out Solar Array) on the 1A power channel on the starboard truss of the station

They installed an iROSA on the 1B power channel on the starboard truss.

The cosmonauts retrieved several experiment packages and installed communications equipment on Zvezda and Poisk modules, and took photos of the external hull of the Zvezda module.

They installed & lifted the bracket for panoramic camera B of core module, unlocked & lifted panoramic camera A/B of Mengtian lab module.

Main tasks were to test the relocation of a cosmonaut using the European ERA manipulator. They also installed three debris shields on Rassvet module, where the airlock and radiator were docked.

They replaced one of twelve Trundle Bearing Assemblies on the port truss Solar Alpha Rotary Joint (SARJ).

The main task was a minor solar array repair due to damages caused by micro meteoroids and debris.

Based on the last EVA maintenance test, this EVA focused on completing the repair work on the solar wing of the Tianhe core module

Main tasks were to complete the deployment of one panel on a synthetic radar system on the Nauka module. The two cosmonauts also installed equipment and experiments on the Poisk module to analyze the level of corrosion on station surfaces and modules.

Main tasks were the Installation of micrometeorite shields and inspecting equipment outside the spacecraft with precise coordination.

NASA says today's spacewalk lasted due to a water leak only 31 minutes; that's the time between the switch to battery power and the moment the crew reconnected to station power.