Space Launch System is getting fired up for its first launch with NASA's Orion spacecraft from Kennedy Space Center in 2018! Pictured here, a show of recent progress shows an RL10 engine undergoing testing at NASA’s test facility in West Palm Beach, Florida. Credit: Aerojet Rocketdyne #NASA #aerojetRocketdyne #engine #engineering #technology #rocketscience #SLS #journeytomars