Teams have started chilling down the liquid hydrogen (LH2) and liquid oxygen (LOX) lines for the SLS (Space Launch System) rocket’s core stage. This critical step cools the propellant lines ahead of loading super-cold liquid hydrogen and liquid oxygen into the core stage tanks, which will eventually hold hundreds of thousands of gallons of liquid hydrogen chilled to minus 423 degrees Fahrenheit and liquid […]
Artemis II Wet Dress Rehearsal: Core Stage LH2, LOX Chilldown Underway












