United States Air Force

Canyon 4

Atlas SLV-3A Agena D

FAILURE
Failure

Saturday, December 4, 1971 · 22:33 UTC

Mission

/01

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).

Mission Type

Government/Top Secret

Orbit

Geostationary Orbit (Direct-GEO)

Probability

N/A

Status

Launch Failure

Vehicle & Pad

/02

Rocket

Atlas SLV-3A Agena D

Variant: SLV-3A Agena D

Launch Pad

Space Launch Complex 13

Cape Canaveral SFS, FL, USA

28.486° N, 80.547° W

15

Pad Launches

261

Location Launches

562

Agency Launches

120

Orbital This Year

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