Image: NASA
Thorad SLV-2H Agena D | KH-4B 13
United States Air Force · Thorad SLV-2H Agena D · Space Launch Complex 3W, Vandenberg SFB, CA, USA
United States Air Force's 541st launch · 5th this year · humanity's 1,185th orbital launch attempt
February 17, 1971Add to calendar
Failure
Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.
Window: Feb 17, 20:04 – Feb 17, 20:04 UTC
Flight preview
KH-4B 13
The KH-4B (Keyhole-4B) was sixth optical reconnaissance satellite version in the Corona-program.
Government/Top Secret · Low Earth Orbit (LEO)
Booster
No booster details available.
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