NASA SLS completes propellant loading of Core Stage during green run test blogs.nasa.gov

NASA and Boeing engineers successfully completed propellant loading during the seventh core stage Green Run test, wet dress rehearsal. The massive Space Launch System (SLS) rocket’s tanks were loaded with more than 700,000 gallons of liquid hydrogen and liquid oxygen. The Space Launch System (SLS) rocket’s 212-foot tall core stage- is the tallest rocket stage the agency has ever built.

The core stage and the B-2 test stand are in excellent condition, and it does not appear to be an issue with the hardware. First looks at the data indicate the stage performed well during the propellant loading and replenish process.