Maj. Derek Brumley, critical care flight nurse, checks life support equipment as Staff Sgt. David Rudd, 920th Rescue Wing Aeromedical Staging Squadron, cardiopulmonary laboratory craftsman, secures a breathing tube during MEDBEACH 2015 joint service exercise at Patrick Air Force Base, Fla., July 11, 2015. Brumley is a Kentucky Air National Guardsman assigned to the 123rd Medical Group and Rudd is a reservist assigned to the 920th ASTS. (U.S. Air Force photo by Tech. Sgt. Michael Means)