U.S. Army 1st Lt. Kelly Elmlinger, a medical-surgical

U.S. Army 1st Lt. Kelly Elmlinger, a medical-surgical nurse out of San Antonio, practices her swimming technique before the 2014 London Invictus Games, London Aquatics Centre-Queen Elizabeth Olympic Park, England, Sept. 10, 2014. Over 400 competitors from 13 nations will take part in the Invictus Games, an international sporting event for wounded, injured and sick servicemen and women. Teams will come from the armed forces of nations that have served alongside each other. (U.S. Air Force photo by Senior Airman Justyn M. Freeman/ Released)