Kinetic Energy Interceptor (KEI)
ATK produces the second-stage
motor for the Kinetic Energy Interceptor (KEI), a U.S. Missile Defense Agency
initiative to develop an interceptor missile capable of destroying medium-range,
intermediate-range, and intercontinental ballistic missiles during the boost
and ascent phases of flight.
The KEI missile will initially be deployed using a mobile land-based platform,
with a sea-based deployment expected to follow. It will complement other U.S.
missile defense systems that target enemy warheads in the midcourse phase of
flight, including the Standard Missile 3 and the Ground-Based Midcourse Defense
missile, both of which use ATK propulsion systems.
The KEI second-stage motor has been successfully tested as part of a series
of static motor firings leading up to the first flight in 2008.
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