Launch from the Baikonur Cosmodrome; landing
with Soyuz 36
capsule 200 km southeast
Soyuz 37 marked the sixth Interkosmos mission (with
Tuân, the first cosmonaut from Vietnam). Following a one day solo flight
Soyuz 37 docked with the Salyut 6 space station on July 24, 1980 and common
work with the fourth resident crew
Tuân and his crewmate had to perform 30 experiments including photography
of the Earth surface, especially observing Vietnam from space. Other
experiments were comprehensive test of lungs function, life sciences (including
tests of growth of Vietnamese azolla water ferns) and materials processing.
The long-duration crew launched in Soyuz 35
returned to earth in the Soyuz 37 spacecraft at the
end of their 186 day mission.