60K views · 1.2K reactions | At 3:40 pm ET, we'll fire up one of the four RS-25 engines for NASA's Space Launch System, our rocket built for deep-space missions to the Moon and Mars. Today's test features an RS-25 flight controller set for use on an actual mission, engine components made with innovative manufacturing, and plenty of  and . Watch: https://www.nasa.gov/live | NASA - National Aeronautics and Space Administration | Facebook

It IS 🚀 science! Today at 4:45 p.m. EST, we’re firing up one of the four RS-25 engines that will power NASA's Space Launch System rocket to destinations like the Moon and Mars! What is an RS-25 engine? Watch this video and tune in live to see the fire, smoke and steam during today’s test: https://www.nasa.gov/live | NASA - National Aeronautics and Space Administration

56 reactions · 23 shares | Now that’s power! The four RS-25 engines...

NASA test-fired a RS-25 rocket engine on Feb. 8, 2023 at the Stennis Space Center in Mississippi on March 8, 2023. It was the "third hot fire test of an ongoing certification series for the redesigned RS-25 engine," according to NASA. Learn more 👉 https://trib.al/VTZSMgW Credit: NASA Stennis Space Center | Space.com