More progress from the Stennis test stands! NASA engineers successfully conducted a development test of the RS-25 rocket engine Thursday, Aug. 18 at NASA’s Stennis Space Center near Bay St. Louis, Miss. Look at that baby rip. Credit: NASA #NASA #progress #SLSFiredUp #SpaceLaunchSystem #deepspace #technology #engineering #rocketscience NASAStennis #journeytomars