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

Rocket: Atlas SLV-3A Agena D · Provider: United States Air Force