Atlas SLV-3A Agena D
FailureCanyon 4 · United States Air Force
Launch time (NET)
Saturday, Dec 4, 1971, 22:33 UTC
Launch window
Saturday, Dec 4, 1971, 22:33 UTC – Saturday, Dec 4, 1971, 22:33 UTC
Provider
United States Air Force
Rocket
Launch pad
Space Launch Complex 13, Cape Canaveral SFS, FL, USA · Open map
Status
Failure
Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.
Mission
Canyon 4
Type
Government/Top Secret
Orbit
Geostationary Orbit (Direct-GEO)
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).
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