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