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Aerojet Rocketdyne has conducted a hot-fire test of an engine technology the company built for NASA’s Space Launch System rocket. The company said Tuesday it performed the RS-25 engine test at the agency’s Stennis Space Center in Mississippi and assessed the performance of the main combustion chamber during the 319-second engine …

NASA and Aerojet Rocketdyne have tested the fourth and last engine controller for the first crewed mission of the Orion spacecraft and the Space Launch System rocket, called Exploration Mission-2. Aerojet Rocketdyne said Thursday its RS-25 engine was test fired for 365 seconds to qualify the engine controller, which works to facilitate communications between …

NASA and Aerojet Rocketdyne have completed the final hot-fire test of an engine technology the company developed for use on the Space Launch System rocket. The eighth RS-25 engine test this year occurred at NASA’s Stennis Space in Mississippi and evaluated the performance of an engine component produced using a three-dimensional printing method, the …