Great Britain's Prince Harry leads the crowd cheering "Invictus" during the closing ceremonies of the 2016 Invictus Games in Orlando, Fla. May 12, 2016. DoD photo by E. Joseph Hersom

Retired Army Staff Sgt. Paul Delacerda plays drums for Vetted, a band made up of wounded warriors at the closing ceremony of the 2016 Invictus Games in Orlando, Fla. May 12, 2016. DoD photo by E. Joseph Hersom

Marine Corps veterans Eric Rodriguez, left, and Anthony McDaniel fist bump as the U.S. team takes a timeout against the British team during the gold medal wheelchair basketball competition at the 2016 Invictus Games in Orlando, Fla., May 12, 2016. DoD photo by Roger Wollenberg

Australia’s Trent Serafini, left, flips in his wheel chair as a U.S. team member attempts to keep him upright during their semi-final wheelchair rugby match at the 2016 Invictus Games in Orlando, Fla., May 11, 2016. Air Force photo by Senior Master Sgt. Kevin Wallace

U.S. wheelchair basketball team members celebrate their gold medal win during the 2016 Invictus Games in Orlando, Fla., May 12, 2016. DoD photo by Edward Joseph Hersom II

Retired Air Force Staff Sgt. Daniel Crane, left, and retired Army Staff Sgt. Michael Kacer embrace one another after competing in a rowing event during the 2016 Invictus Games in Orlando, Fla., May 9, 2016. Air Force photo by Tech. Sgt. Joshua L. DeMotts

Army Sgt. Elizabeth Marks competes in the women’s breaststroke swimming finals during the 2016 Invictus Games in Orlando, Fla., May 11, 2016. Marks won the gold medal with a time of 42:67 seconds. DoD photo by Edward Joseph Hersom II

Air Force Gen. Paul J. Selva, center right standing, vice chairman of the Joint Chiefs of Staff, and Army Command Sgt. Maj. John W. Troxell, left standing, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, talk with members of the U.S. team before the 2016 Invictus Games opening ceremonies in Orlando, Fla., May 8, 2016. DoD photo by Army Staff Sgt. Sean K. Harp

Air Force Master Sgt. Israel Del Toro throws a shot put during the 2016 Invictus Games in Orlando, Fla., May 10, 2016. DoD photo by EJ Hersom

Marine Corps Staff Sgt. Rafael Cervantes competes in a rowing event during the 2016 Invictus Games in Orlando, Fla., May 9, 2016. Air Force photo by Tech. Sgt. Joshua L. DeMotts

Army Capt. Kelly Elmlinger, a member of the U.S. team, races a wheelchair to victory during the 2016 Invictus games in Orlando, Fla., May 10, 2016. Elminger won a gold medal in the event. DoD photo by EJ Hersom

Army veteran Alexander Shaw, left center, and Air Force veteran Nicholas Dadgostar, right center, attempt to block the ball against the Canadian team playing a sitting volleyball competition during 2016 Invictus Games in Orlando, Fla., May 7, 2016. Also pictured are U.S. Special Operations Command Sgt. 1st Class Alfred Martinez left, and U.S. Army veteran Robbie Gaup, right. DoD photo by Roger Wollenberg

A U.S. team swimmer propels himself from the start platform during a preliminary swim competition at the 2016 Invictus Games in Orlando, Fla., May 7, 2016. Air Force photo by Staff Sgt. Carlin Leslie

Fireworks explode over the opening ceremony for the 2016 Invictus games in Orlando, Fla., May 8, 2016. DoD photo by EJ Hersom

Air Force Staff Sgt. August O'Niell and his service dog, Kai, prepare to enter the stadium for the opening ceremony of the Invictus Games 2016 at ESPN Wide World of Sports in Orlando, Fla., May 8, 2016. O'Niell delivered the Invictus Games flag after hoisting down from a HH-60G Pave Hawk. Air Force photo by Tech. Sgt. Joshua L. DeMotts

Deputy Defense Secretary Bob Work speaks to the U.S. team before the opening ceremony for Invictus Games 2016 at the ESPN Wide World of Sports complex at Walt Disney World in Orlando, Fla., May 8, 2016. DoD photo by Roger Wollenberg

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

Recovering service members participate in training for the 2016 Invictus Games at MacDill Air Force Base, Fla., May 2, 2016. The games are scheduled for May 8-12 in Orlando, Fla. DoD photo by Roger Wallenberg

Retired Army Spc. Chasity Kuczer, foreground, practices during the achery event for the 2016 Invictus Games in Orlando, Fla., May 5, 2016. DoD photo by Roger Wollenberg

Medically retired Army Staff Sgt. Timothy Payne competes in seated discus during the Army Trials at Fort Bliss, Texas, April 1, 2015. Payne is slated to compete at the 2016 Invictus Games. DoD photo by EJ Hersom

Britain’s Prince Harry talks to wounded warriors at Fort Belvoir, Virginia, alongside first lady Michelle Obama and Dr. Jill Biden, as they officially launch the second Invictus Games, Oct. 28, 2015. DoD photo by Katie Lange