15th SOS loadmasters lock down cargo
Tech. Sgt. Zach Kelhi, a loadmaster with the 15th Special Operations Squadron, checks the seal of an oxygen mask on an MC-130H Combat Talon II at Hurlburt Field, Fla., May 30, 2017. A seal is needed for aircrew members to receive oxygen during an emergency. (U.S. Air Force photo by Airman 1st Class Joseph Pick)