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STS-128 (ISS assembly flight 17A) was a NASA Space Shuttle mission to the International Space Station (ISS) that launched on 28 August 2009. Space Shuttle Discovery carried the Multi-Purpose Logistics Module Leonardo as its primary payload. Leonardo contained a collection of experiments for studying the physics and chemistry of microgravity. Three spacewalks were carried out during the mission, which removed and replaced a materials processing experiment outside ESA's Columbus module, and returned an empty ammonia tank assembly.
Serial OV-103
Launch Crew Count 0
Status Retired
Landing Time 2009-09-12T00:53:00+0000
Height 56.10 Meters
Max Stages 2
Mass To GTO 0 kg
Liftoff Thrust 28200 kN
Diameter 8.00 Meters
Mass To LEO 27500 kg
Liftoff Mass 2030 Tonnes
Launch Success 133
Consecutive Success 22
Maiden Flight 1981-04-12
Launch Failures 2