page_title: STS-1
hierarchical_section_title: STS-1
caption_attribution_description: English: The April 12 launch at Pad 39A of STS-1, just seconds past 7 a.m., carries astronauts John Young and Robert Crippen into an Earth orbital mission scheduled to last for 54 hours, ending with unpowered landing at Edwards Air Force Base in California. Türkçe: Columbia Uzay Mekiği'nin 12 Nisan 1981 günü 54 saat sürmesi tahmin edilen bir görev için içerisinde bulunan astronotlar (hallo) John Young ve Robert Crippen ile kalkış anı.
context_page_description: STS-1 was the first orbital spaceflight of NASA's Space Shuttle program. The first orbiter, Columbia, launched on 12 April 1981 and returned on 14 April, 54.5 hours later, having orbited the Earth 36 times. Columbia carried a crew of two – mission commander John W. Young and pilot Robert L. Crippen. It was the first American crewed space flight since the Apollo–Soyuz Test Project in 1975. STS-1 was also the only maiden test flight of a new American spacecraft to carry a crew, though it was preceded by atmospheric testing of the orbiter and ground testing of the Space Shuttle system.
  The launch occurred on the 20th anniversary of the first human spaceflight. This was a coincidence rather than a celebration of the anniversary; a technical problem had prevented STS-1 from launching two days earlier, as was planned.
context_section_description: STS-1 (Space Transportation System-1) was the first orbital spaceflight of NASA's Space Shuttle program. The first orbiter, Columbia, launched on 12 April 1981 and returned on 14 April, 54.5 hours later, having orbited the Earth 36 times. Columbia carried a crew of two – mission commander John W. Young and pilot Robert L. Crippen. It was the first American crewed space flight since the Apollo–Soyuz Test Project in 1975. STS-1 was also the only maiden test flight of a new American spacecraft to carry a crew, though it was preceded by atmospheric testing of the orbiter and ground testing of the Space Shuttle system.
  The launch occurred on the 20th anniversary of the first human spaceflight. This was a coincidence rather than a celebration of the anniversary; a technical problem had prevented STS-1 from launching two days earlier, as was planned.
caption: The launch of STS-1
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