Thor SLV-2A Agena D | KH-4 19
Thor SLV-2A Agena D | KH-4 19 lifted off aboard a Thor SLV-2A Agena D from Vandenberg SFB, CA, USA, carrying its payload to LEO.
- Launch time
- Status
- FAILED
- Operator
- United States Air Force
- Mission type
- Government/Top Secret
- Rocket
- Thor SLV-2A Agena D
- Launch site
- Vandenberg SFB, CA, USA
- Launch pad
- Space Launch Complex 1E
- Payload
- —
- Target orbit
- LEO

Mission timeline
- 1963-02-28T21:48:30.000ZThor SLV-2A Agena D roars off the pad at Vandenberg SFB, CA, USA.
- The vehicle reaches Max Q, the highest aerodynamic load of the flight.
- Flight anomaly — the mission is unsuccessful.