Delta IV Heavy | NROL-37
The Government/Top Secret flight Delta IV Heavy | NROL-37 departed Cape Canaveral SFS, FL, USA atop a Delta IV Heavy, bound for GTO.
- Launch time
- Status
- SUCCESS
- Operator
- United Launch Alliance
- Mission type
- Government/Top Secret
- Rocket
- Delta IV Heavy
- Launch site
- Cape Canaveral SFS, FL, USA
- Launch pad
- Space Launch Complex 37A
- Payload
- —
- Target orbit
- GTO

Mission timeline
- 2016-06-11T17:51:00.000ZLiftoff confirmed — Delta IV Heavy is airborne.
- Max Q — Delta IV Heavy endures peak structural stress during ascent.
- First-stage main engine cutoff (MECO) confirmed.
- The spent first stage separates from the upper stage.
- Upper stage ignites, continuing the journey toward orbit.
- The mission reaches GTO, successfully entering orbit.
- The mission concludes successfully.