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KH-4B 13
Launch FailureLaunch Details
Date: 17 Feb 1971, 08:04 pm UTC
Rocket: Thorad SLV-2H Agena D (Thor)
Provider: United States Air Force
Mission
Type: Government/Top Secret
Orbit: Low Earth Orbit
Pad: Space Launch Complex 3W, Vandenberg SFB, CA, USA
Mission Description
The KH-4B (Keyhole-4B) was sixth optical reconnaissance satellite version in the Corona-program.