KH-5 8 (Argon 8 / Corona Mission 9055A / OPS 1008), a U.S. Army/NRO film-return geodetic mapping reconnaissance satellite launched on a Thor Agena-D from Vandenberg; the launch vehicle failed and the payload did not reach orbit.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 11th
- of 13 Thor Agena D flights
- Date and time
- 26 April 1963, 20:12 UTC
- Rocket
- Thor Agena D
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 2E, Vandenberg SFB, CA, USA
- Payload
- Government/Top Secret
- Launches in 1963
- 18th of 69