Delta II | Messenger
The Planetary Science flight Delta II | Messenger departed Cape Canaveral SFS, FL, USA atop a Delta II, bound for LEO.
- Launch time
- Status
- SUCCESS
- Operator
- United States Air Force
- Mission type
- Planetary Science
- Rocket
- Delta II
- Launch site
- Cape Canaveral SFS, FL, USA
- Launch pad
- Space Launch Complex 17B
- Payload
- —
- Target orbit
- LEO

Mission timeline
- 2004-08-03T06:15:57.000ZDelta II lifts off from Cape Canaveral SFS, FL, USA.
- Delta II 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 LEO.
- Mission success — all objectives completed.