Michael James Massimino

 Total EVAs:  4
 Total EVA time:  30h 32m

No. Date Together with Time Main tasks and notes
 1  05.03.2002  J. Newman  7h 17m
Installing the new port-side array and replacing one of the four Reaction Wheel Assemblies
 2  07.03.2002  J. Newman  7h 18m
Changing the Faint Object Camera (FOC) with the Advanced Camera for Surveys (ACS) and installing a new electronic support module für the NICMOS Cryo Cooler
 3  15.05.2009  M. Good  7h 56m
Changing out three boxes, each containing two of the telescope's six gyroscopes, and three batteries.
 4  17.05.2009  M. Good  8h 02m
Repairing and upgrade the Space Telescope Imaging Spectrograph, which stopped working in 2004 due to power failures, 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.

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