Discoverer 22 (Corona KH-2 mission 9015), a U.S. Air Force/NRO film-return photoreconnaissance satellite launched from Vandenberg. The Agena-B second stage suffered an attitude-control failure and failed to place the spacecraft and recovery vehicle SRV-509 into orbit.
- Outcome
- Failure
- Payload to orbit
- Did not reach orbit
- Flight
- 7th
- of 40 Thor DM-21 Agena-B flights
- Date and time
- 30 March 1961, 20:34 UTC
- Rocket
- Thor DM-21 Agena-B
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 1W, Vandenberg SFB, CA, USA
- Payload
- Unknown
- Launches in 1961
- 12th of 50