π Rocket Engines some idea The BE-7 is a high-performance, additively manufactured LH2/LOX engine that will power the Blue Origin-led National Team HLS lunar lander. This week's test at @NASA Marshall in Huntsville brings the programβs cumulative test time to 1,245 seconds. #Artemis https://t.co/0MfgLG3mV9 pic.twitter.com/091UTi6YGk— Blue Origin (@blueorigin) December 4, 2020