Atlas SLV-3C Centaur | ATS 4
The Earth Science flight Atlas SLV-3C Centaur | ATS 4 departed Cape Canaveral SFS, FL, USA atop a Atlas SLV-3C Centaur, bound for GSO.
- Launch time
- Status
- SUCCESS
- Operator
- United States Air Force
- Mission type
- Earth Science
- Rocket
- Atlas SLV-3C Centaur
- Launch site
- Cape Canaveral SFS, FL, USA
- Launch pad
- Launch Complex 36A
- Payload
- —
- Target orbit
- GSO

Mission timeline
- 1968-08-10T22:33:02.000ZAtlas SLV-3C Centaur lifts off from Cape Canaveral SFS, FL, USA.
- Atlas SLV-3C Centaur passes through max aerodynamic pressure (Max Q).
- Main engine cutoff — the first stage shuts down as planned.
- Stage separation — the first stage separates cleanly.
- Second-stage engine ignites for the next phase of flight.
- Orbit insertion confirmed — the vehicle is now in GSO.
- Mission success — all objectives completed.