Sacramento, Calif.-based Aerojet said Sept. 30 it had completed development injector testing for the 7,500-pound thrust Orion main engine (OME) for NASA's Orion crew exploration vehicle.rnThe test series, done under contract to Orion prime contractor Lockheed Martin Space Systems of Denver, verified the engine's combustion stability and provided chamber wall heat flux and injector per-formance data.
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