Thor Burner 2A | DMSP-5C F3
Operated by United States Air Force, the Government/Top Secret mission Thor Burner 2A | DMSP-5C F3 delivered its payload into SSO.
- Launch time
- Status
- SUCCESS
- Operator
- United States Air Force
- Mission type
- Government/Top Secret
- Rocket
- Thor Burner 2A
- Launch site
- Vandenberg SFB, CA, USA
- Launch pad
- Space Launch Complex 10W
- Payload
- —
- Target orbit
- SSO

Mission timeline
- 1976-02-19T07:52:52.000ZThor Burner 2A roars off the pad at Vandenberg SFB, CA, USA.
- The vehicle reaches Max Q, the highest aerodynamic load of the flight.
- MECO — first-stage propulsion ends after a nominal burn.
- Clean stage separation confirmed.
- The upper-stage engine lights up after separation.
- Orbit insertion confirmed — now circling in SSO.
- All mission objectives achieved.