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Tri-Services Experiments Platform-5 (TSX-5)

Pegasus XL

Orbital Sciences Corporation

Launch Status


Vandenberg Space Force Base

Air launch to orbit

47 rockets have launched from Air launch to orbit.

Vandenberg Space Force Base, Air launch to orbit


Pegasus XL

Length: 17.6 meters
Diameter: 1.27 meters
First Launch: June 27, 1994

The Pegasus is an air-launched rocket developed by Orbital Sciences Corporation (now part of Northrop Grumman Innovation Systems). Capable of carrying small payloads of up to 443 kilograms (977 lb) into low Earth orbit, the vehicle consists of three solid propellant stages and an optional monopropellant fourth stage. Pegasus is released from its carrier aircraft at approximately 40,000 ft (12,000 m), and its first stage has a wing and a tail to provide lift and attitude control while in the atmosphere.

The Pegasus XL rocket has been launched a total of 30 times with 27 successful and 3 failed launches.


Orbital Sciences Corporation

Type: Commercial
Abbreviation: OSC

Country: USA

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