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

We are celebrating our RS PRO range throughout October! Did you know we rigorously test every part against demanding industry standards to gain the RS PRO seal of approval? Find out more here: https://uk.rs-online.com/web/generalDisplay.html?id=rspro | RS | Facebook