Liquid oxygen

Staff Sgt. Michael McPherson, 403rd Logistics Readiness Squadron, monitors the transfer of liquid oxygen from the storage tank to a LOX cart during a training module Apr. 14. The 403rd LRS and 41st Aerial Port Squadron shared job knowledge with Naval Expeditionary Logistics Regiment 4 battalions as part of a joint training exercise Apr. 12-17 at Keesler Air Force Base, Miss. (U.S. Air Force photo by Maj. Heather Newcomb)