AC-3, the third Atlas-Centaur development test and maiden Atlas LV-3C Centaur-C flight from Cape Canaveral LC-36A on 30 June 1964. After staging, a Centaur hydraulic gimbal actuator failed, the stage tumbled, engines shut down early, and the vehicle impacted the South Atlantic.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 2nd
- of 4 Atlas LV-3C Centaur flights
- Date and time
- 30 June 1964, 14:04 UTC
- Rocket
- Atlas LV-3C Centaur
- Builder
- Convair
- Launch site
- Launch Complex 36A, Cape Canaveral SFS, FL, USA
- Payload
- Test Flight
- Launches in 1964
- 42nd of 100