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SSUS-A Motor

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SSUS-A Motor
Thiokol solid rocket engine. In Production. A slightly modified stage 3 Minuteman 3 with TVC and roll control systems removed, provided propulsion for the Douglas Spinning Solid Upper Stage for use with Space Shuttle payloads.
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AKA: TU-844. Status: In Production.

The Thiokol TU-844 motor was to provide propulsion for the McDonnell Douglas Spinning Solid Upper Stage, which was designed to launch Atlas Centaur-class payloads from the Space Shuttle. A slightly modified stage 3 Minuteman 3 with TVC and roll control systems removed. However, the motor was adapted as the perigee boost motor for the Leasat and JCSat telecom satellites..

Country: USA. Propellants: Solid. Agency: Thiokol.

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