Atlas SLV-3D Centaur | INTELSAT IV F6
United States Air Force flew Atlas SLV-3D Centaur | INTELSAT IV F6 on a Atlas SLV-3D Centaur out of Cape Canaveral SFS, FL, USA, placing its payload in Direct-GEO.
- Launch time
- Status
- FAILED
- Operator
- United States Air Force
- Mission type
- Communications
- Rocket
- Atlas SLV-3D Centaur
- Launch site
- Cape Canaveral SFS, FL, USA
- Launch pad
- Launch Complex 36A
- Payload
- —
- Target orbit
- Direct-GEO

Mission timeline
- 1975-02-20T23:35:00.000ZAtlas SLV-3D Centaur roars off the pad at Cape Canaveral SFS, FL, USA.
- The vehicle reaches Max Q, the highest aerodynamic load of the flight.
- Flight anomaly — the mission is unsuccessful.