Safety first

Staff Sgt. Michael McPherson, 403rd Logistics Readiness Squadron, briefs Capt. Joseph Wilson, 403rd LRS, and members of Naval Expeditionary Logistics Regiment 4 of the Naval Expeditionary Logistics Support Group, about safety precautions that need to be taken when handling liquid oxygen. The 403rd LRS and 41st Aerial Port Squadron shared job knowledge with NELR 4 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)