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Launch SuccessfulUnited States Air Force

Thorad SLV-2G Agena D: KH-4B 3

The KH-4B (Keyhole-4B) was sixth optical reconnaissance satellite version in the Corona-program.

Wednesday, 1 May 1968
Thorad SLV-2G Agena D: KH-4B 3

Mission Data

United States Air Force
🇺🇸United States Air ForceEst. 1947
Launch VehicleThorad SLV-2G Agena D
Vehicle FamilyThor
Vehicle Record29 of 30 launches (96.7%)
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#42
Agency Launches This Year#12
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-2G 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.