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Pegasus
The Pegasus launch vehicle produced by Orbital Sciences Corporation is
used by commercial, government, and international customers to deploy
small satellites weighing up to 1,000 pounds into low-Earth orbit.
The vehicle is carried aloft by an Orbital L-1011 aircraft to approximately
40,000 feet over open ocean and released.
Once it is released, three ATK Orion motors provide the
power for the vehicle to deliver its satellite into orbit in a little
over 10 minutes. ATK has been producing Orion motors for
the Pegasus vehicle since 1990.
ATK’s highly reliable and flexible Orion motors are also used on the Orbital
Taurus and Minotaur launch vehicles.
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