United States Air ForceThor Agena ASpace Launch Complex 1W, Vandenberg SFB, CA, USA
Thor Agena A | Discoverer 12
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No countdown — this launch time is not yet known to the minute.June 29, 1960Add to calendar
Launch Failure
Image: USAF
United States Air Force's 22nd launch · 11th this year · humanity's 69th orbital launch attempt
Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.
Window: Jun 29, 22:00 – Jun 29, 22:00 UTC
Flight preview
Discoverer 12
Discoverer 12 was an American optical reconnaissance satellite. The fourth of five test flights of the Corona KH-1 spy satellite series. It was lost when the second stage failed during launch.
Government/Top Secret · Low Earth Orbit (LEO)
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