Thor DM-21 Ablestar | Courier 1A
Launch Failure
L - -- : -- : -- : --
Instantaneous launch window.
Launch Window
Aug. 18, 1960, 7:58 p.m. - Aug. 18, 1960, 7:58 p.m.
Instantaneous launch window.
Aug. 18, 1960, 7:58 p.m. - Aug. 18, 1960, 7:58 p.m.
An active repeater communications satellite. The vehicle failed during liftoff.
The Thor-Ablestar, or Thor Able-Star, also known as Thor-Epsilon was an early American expendable launch system consisting of a PGM-17 Thor missile, with an Ablestar upper stage. It was a member of the Thor family of rockets, and was derived from the Thor-Able.
The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signal Corps, the USAF was established as a separate branch of the United States Armed Forces in 1947 with the enactment of the National Security Act of 1947.
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