Program pesawat ulang-alik

Key facts

Country

United States

Organization

NASA

Purpose

Crewed orbital flight

Status

Completed

Cost

US$ 196 billion (2011)

Duration

1972–2011

First flight

August 12, 1977 ( 1977-08-12 ) ( ALT-12 )

First crewed flight

April 12, 1981 ( 1981-04-12 ) ( STS-1 )

Last flight

July 21, 2011 ( 2011-07-21 ) ( STS-135 )

Failures

2 ( STS-51-L , STS-107 )

Partial failures

1 ( STS-83 )

Launch sites

Kennedy , LC-39A Kennedy, LC-39B