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Launch SuccessfulUnited States Air Force
Thorad SLV-2H Agena D: KH-4B 14
The KH-4B (Keyhole-4B) was sixth optical reconnaissance satellite version in the Corona-program.
Wednesday, 24 March 1971
Mission Data
🇺🇸United States Air ForceEst. 1947
Launch VehicleThorad SLV-2H Agena D
Vehicle FamilyThor
Vehicle Record12 of 13 launches (92.3%)
Provider TypeGovernment
Agency Record972 successes / 106 failures (90%)
Success Streak68 consecutive
Mission TypeGovernment/Top Secret
Target OrbitLow Earth Orbit
Launch PadSpace Launch Complex 3W
Location🇺🇸 Vandenberg SFB, CA, USA USA
Orbital Launches This Year#26
Agency Launches This Year#8
Launches From This Pad81
Launches From This Site923
Status Note
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
About Thorad SLV-2H Agena D
Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
Launch Site
Space Launch Complex 3W · 34.6440°N 120.5930°W
Launch data from Launch Library 2 by The Space Devs.