Transit 3A with piggyback GRAB-2 (Solrad 2), a US Navy Transit navigation satellite and NRL electronic-intelligence payload, launched on a Thor DM-21 Ablestar from Cape Canaveral LC-17B on 30 November 1960. The Thor shut down early and range safety destroyed the vehicle; neither payload reached orbit.
- Outcome
- Failure
- Orbit
- PO
- Polar orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 5th
- of 19 Thor DM-21 Ablestar flights
- Date and time
- 30 November 1960, 19:50 UTC
- Rocket
- Thor DM-21 Ablestar
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
- Payload
- Navigation
- Launches in 1960
- 32nd of 38