
OV1-20 and OV1-21 plus densitometry secondary payloads (LOADS-2/Cannonball-2, RTDS, Gridsphere, LCS-4), U.S. Air Force ionospheric and atmospheric research satellites. Atlas F OV1 from Vandenberg BMRS-A2 lofted the stack on 7 August 1971.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 1.1 T (est.)
- Flight
- 4th
- of 9 SM-65F Atlas flights
- Date and time
- 7 August 1971, 00:11 UTC
- Rocket
- SM-65F Atlas
- Builder
- Convair
- Launch site
- 576A2, Vandenberg SFB, CA, USA
- Payload
- Earth Science
- International designator
- 1971-067
- Launches in 1971
- 75th of 133
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Space Atlas shows the satellites and rocket stages from this launch in 3D.
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