Pegasus XL | Space Test Experiments Platform-3 (STEP-3)
Pegasus XL | Space Test Experiments Platform-3 (STEP-3) lifted off aboard a Pegasus XL from Air launch to orbit, carrying its payload to the designated orbit.
- Launch time
- Status
- FAILED
- Operator
- Orbital Sciences Corporation
- Mission type
- Orbital
- Rocket
- Pegasus XL
- Launch site
- Air launch to orbit
- Launch pad
- Vandenberg Space Force Base
- Payload
- —
- Target orbit
- Unknown

Mission timeline
- 1995-06-22T19:58:00.000ZPegasus XL roars off the pad at Air launch to orbit.
- The vehicle reaches Max Q, the highest aerodynamic load of the flight.
- Flight anomaly — the mission is unsuccessful.