The Russian Progress 94 freighter will launch from Baikonur Cosmodrome on March 22, carrying supplies to the International Space Station and docking two days later.

What appeared to be a propulsion failure was, in fact, a line of code doing its job, was how one of the NASA engineers explained the unforeseen delay of Northrop Grumman’s Cygnus XL cargo freighter.

NASA engineers explain how Artemis II life support systems differ from the ISS, focusing on regenerative systems, deep space requirements and crew survival technologies.