sts-135とは 意味・読み方・使い方

STS-135 (ISS assembly flight ULF7) was the final mission of the American Space Shuttle program. It used the orbiter Atlantis and hardware originally processed for the STS-335 contingency mission that was not flown. STS-135 launched on 8 July and was originally scheduled to land on 20 July 2011 but was extended to 21 July 2011. The four person STS-135 crew was the smallest of any shuttle mission since April 1983's STS-6. The mission's primary cargo was the Multi-Purpose Logistics Module (MPLM) Raffaello and a Lightweight Multi-Purpose Carrier (LMC). The flight of MPLM Raffaello on Atlantis also marked the only time that Atlantis hauled an MPLM to space.