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Launch FailureUnited States Air Force
Thor SLV-2A Agena D: KH-4A 4
The KH-4A (Keyhole-4A) was the fifth optical reconnaissance satellite version in the Corona-program.
Tuesday, 24 March 1964
Mission Data
🇺🇸United States Air ForceEst. 1947
Launch VehicleThor SLV-2A Agena D
Vehicle FamilyThor
Vehicle Record57 of 61 launches (93.4%)
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#17
Agency Launches This Year#11
Launches From This Pad81
Launches From This Site923
Status Note
Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.
About Thor SLV-2A 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.