Launch date 5 April 2010, 10:21:22 UTC[5][6]
Launch site Kennedy LC-39A
End of mission
Landing date 20 April 2010, 13:08:35 UTC
Landing site Kennedy SLF Runway 15
The primary payload was a Multi-Purpose Logistics Module loaded with supplies and equipment for the International Space Station. The mission also removed and replaced an ammonia tank assembly outside the station on the S1 truss. STS-131 furthermore carried several on-board payloads; this mission had the most payloads since STS-107.
This was the final Space Shuttle mission with a seven person crew.
It was the final Space Shuttle crew with any "rookie" astronauts; all of the remaining missions would have all-veteran crews.
STS-131 was the third and last mission in the Space Shuttle program with three female astronauts. STS-40 and STS-96 were the first two.
Expedition 23 Flight Engineer Tracy Caldwell Dyson was on the ISS at the time. This made STS-131 it the first time four women have been in space at once.
STS-131 marked the first time two Japanese astronauts, Naoko Yamazaki from the shuttle crew and Soichi Noguchi on the ISS, were in space together.
Expedition 23 Flight Engineer Tracy Caldwell Dyson was on the ISS at the time. This made STS-131 it the first time four women have been in space at once.
Naoko Yamazaki was the last Japanese astronaut to fly on the space shuttle.
Expedition 23 Flight Engineer Tracy Caldwell Dyson was on the ISS at the time. This made STS-131 it the first time four women have been in space at once.[12]