How the engines of the Artemis II rocket flew on NASA's space shuttle

NASA's Artemis II mission will launch with SLS rocket engines that have flown multiple times on past space shuttle missions.
来自MSN

Engine failure on cargo ship to Space Station puts Nasa in damage control

Days after the Cygnus spacecraft, packed with thousands of kilograms of cargo supply, suffered engine failures in space, NASA and Northrop Grumman are preparing for its safe arrival at the ...