Brian Sweetman Jr., an Anchorage, Alaska, native and supervisory sports specialist at Keeler Pool, explains to lifeguard trainees how to extract drowning victims during the Military Lifeguard Course at Keeler Pool March 19, 2013. During the course, the soldiers also learned lifesaving skills and effective swimming techniques. (U.S. Army Photo by Sgt. Zachary Gardner, 17th Public Affairs Detachment)