Invictus Warm-Up Team U.S.A. athlete Christian Perryman warms up for practice swimming heats for the 2016 Invictus Games in Orlando, Fla., May 5, 2016. The United States is among 15 countries competing in the 2016 Invictus Games. U.S. Air Force photo by Senior Master Sgt. Kevin Wallace SHARE IMAGE: Download Image: Full Size (0.95 MB) Tags: Wounded Warriors Photo By: Senior Master Sgt. Kevin Wallace VIRIN: 160505-F-WU507-005.JPG Photo Gallery