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Contract Part of Multi-Year Study and Demonstration of Post-Boost Propulsion System Technologies DULLES, Va.Mar. 15, 2016-- Orbital ATK, Inc. (NYSE: OA), a global leader in aerospace and defense technologies, announced today that its Defense Systems ...

Orbital ATK s Medium-Class Upper Stage Motor Provides New Capability to Air Force DULLES, Va.Nov. 11, 2015-- The U.S. Air Force and Orbital ATK (NYSE:OA) successfully conducted a ground level static fire test of the Medium-Class Stage III (MCS-III) ...

DULLES, Va.Nov. 10, 2015-- Orbital ATK, Inc. (NYSE:OA), a global leader in aerospace and defense technologies, announced today it received an award for a Future ICBM Sustainment and Acquisition Construct (FISAC) Propulsion Subsystem Support Contract ...