Atlas V 501 | OTV-3 (X-37B) (USA-240)
United Launch Alliance flew Atlas V 501 | OTV-3 (X-37B) (USA-240) on a Atlas V 501 out of Cape Canaveral SFS, FL, USA, placing its payload in LEO.
- Launch time
- Status
- SUCCESS
- Operator
- United Launch Alliance
- Mission type
- Government/Top Secret
- Rocket
- Atlas V 501
- Launch site
- Cape Canaveral SFS, FL, USA
- Launch pad
- Space Launch Complex 41
- Payload
- —
- Target orbit
- LEO

Mission timeline
- 2012-12-11T18:03:00.000ZAtlas V 501 roars off the pad at Cape Canaveral SFS, FL, 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 LEO.
- All mission objectives achieved.