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

Launching NASA's Space Launch System rocket to the Moon and Mars will require a lot of 🔥power. Get to know the A-B-C's of the RS-25 engine that will help make it happen! Watch one of its last engine tests at ~3:45 p.m. EDT before being flight certified: http://www.nasa.gov/live | NASA - National Aeronautics and Space Administration

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

25K views · 411 reactions | Test fire of NASA's RS-25 rocket engine, the engine that is to be used on NASA's Space Launch System, and was used in an older varient for the space shuttle. | Popular Mechanics | Facebook

12M views · 73K reactions | This Merlin 25 engine lay dormant for 50 years before this guy put the key in the ignition ✈勞 Classic Aircraft Photography | UNILAD Tech | Facebook