Retired U.S. Navy Lt. John Edmontson prepares for Invictus Games 2014 in London Sept. 9, 2014.
The Invictus Games are the United Kingdom's version of the Warrior Games, bringing together wounded veterans from 14 nations for events including track and field, archery, wheelchair basketball, road cycling, indoor rowing, wheelchair rugby, swimming, sitting volleyball and a driving challenge. (DoD photo by Staff Sgt. Andrew Lee, U.S. Air Force/Released). Original public domain image from Flickr