Tanker trucks deliver liquid hydrogen (LH2) to replenish the large sphere used to store the propellant at NASA’s Kennedy Space Center in Florida, Launch Pad 39B, to support the Artemis I mission, Wednesday, Aug. 31, 2022. Teams will conduct the next launch attempt of the Moon rocket and Orion spacecraft on Saturday, Sept. 3, 2022. Photo Credit: (NASA/Bill Ingalls)