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

202K views · 4.7K reactions | Our #JourneyToMars continues! With Thursday’s successful 7.5-minute hot-fire test of an RS-25 engine, we are one step closer to sending humans to the Red Planet. Four of these engines will power NASA's Space Launch System rocket and NASA’s Orion Spacecraft to deep space destinations, including Mars. Watch the test here: https://youtu.be/bJgsdnpjyes | 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

216K views · 1.1K shares | Rocket science! Yesterday, we tested one...