This article is about the NASA Space Shuttle program. For the shuttle itself, see
Space Shuttle. For information on the Soviet space shuttle program, see the article
Buran program.
NASA's Space Shuttle, officially called Space Transportation System (STS), is the
United States government's current
manned launch vehicle. The winged Shuttle Orbiter is launched vertically, usually carrying five to seven
astronauts (although eight have been carried) and up to 50,000
lb (22 700
kg) of payload into
low earth orbit. When its mission is complete, the Shuttle can independently move itself out of orbit (by means of its maneuvering thrusters) and
re-enter the
Earth's atmosphere. During descent and landing, the Shuttle Orbiter acts as a glider and makes a completely unpowered landing.
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n. ยานอวกาศ (syn. spacecraft)