Atlas SLV-3A Agena D | Canyon 4
Launch Failure
L - -- : -- : -- : --
Instantaneous launch window.
Launch Window
Dec. 4, 1971, 10:33 p.m. - Dec. 4, 1971, 10:33 p.m.
Instantaneous launch window.
Dec. 4, 1971, 10:33 p.m. - Dec. 4, 1971, 10:33 p.m.
Canyon was the first series of NRO's near geostationary ELINT/SIGINT satellites launched under the designation AFP-827 or Program 7500 for NRO's Program A. They were focussed on communications intelligence (COMINT).
The Atlas-Agena was an American expendable launch system derived from the SM-65 Atlas missile. It was a member of the Atlas family of rockets, and was launched 109 times between 1960 and 1978.
Convair, previously Consolidated Vultee, was an American aircraft manufacturing company that later expanded into rockets and spacecraft. The company was formed in 1943 by the merger of Consolidated Aircraft and Vultee Aircraft. In 1953 it was purchased by General Dynamics, and operated as their Convair Division for most of its corporate history.
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