KH-4A Mission 1003 (Corona 77 / OPS 3467), an NRO dual-panoramic film-return photoreconnaissance satellite launched on a Thor SLV-2A Agena-D from Vandenberg; guidance failed and the vehicle did not reach orbit.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 14th
- of 61 Thor SLV-2A Agena D flights
- Date and time
- 24 March 1964, 22:22 UTC
- Rocket
- Thor SLV-2A Agena D
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 3W, Vandenberg SFB, CA, USA
- Payload
- Government/Top Secret
- Launches in 1964
- 17th of 100