United States Air ForceThor Delta N6Space Launch Complex 2E, Vandenberg SFB, CA, USA
Thor Delta N6 | ITOS B
Launch window
No countdown — this launch time is not yet known to the minute.October 21, 1971Add to calendar
Launch Failure
United States Air Force's 559th launch · 23rd this year · humanity's 1,273rd orbital launch attempt
Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.
Window: Oct 21, 11:32 – Oct 21, 11:32 UTC
Flight preview
ITOS B
Sun-synchronous meteorological satellite
Earth Science · Sun-Synchronous Orbit (SSO)
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