Space.com #NASA’s Space Launch System RS-25 Engine Test Fired | Video 19 August 2016 fborgosano Leave a comment Share: The Aerojet Rocketdyne engine was test fired at NASA’s Stennis Space Center for 7.5 minutes on Aug. 18, 2016. The RS-25 was originally a Space Shuttle engine and is being upgraded for the Space Launch System rocket. from Space.com ift.tt/2bHwWLQ Share: