Delta 3913 | Dynamics Explorer 1 & 2
The Earth Science flight Delta 3913 | Dynamics Explorer 1 & 2 departed Vandenberg SFB, CA, USA atop a Delta 3913, bound for PO.
- Launch time
- Status
- SUCCESS
- Operator
- United States Air Force
- Mission type
- Earth Science
- Rocket
- Delta 3913
- Launch site
- Vandenberg SFB, CA, USA
- Launch pad
- Space Launch Complex 2W
- Payload
- —
- Target orbit
- PO

Mission timeline
- 1981-08-03T09:56:00.000ZDelta 3913 lifts off from Vandenberg SFB, CA, USA.
- Delta 3913 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 PO.
- Mission success — all objectives completed.