U.S. Marines with Special Purpose Marine Air-Ground Task Force – Southern Command conduct water survival training with U.S. Army soldiers from JTF-Bravo Medical Element at Soto Cano Air Base, June 13, 2017. This week-long training class went over different survival techniques, swimming tips, uniform flotation methods and physical training. (U.S. Air National Guard photo by Master Sgt. Scott Thompson/released)