Kristen Morris, a Department of Defense Warrior Games

Kristen Morris, a Department of Defense Warrior Games Team Air Force member, prepares to serve to her fellow team members during a practice session for the sitting volleyball competition at the Air Force Academy in Colorado Springs, Colorado, May 31, 2018. Sitting volleyball is one of numerous events taking place at this year's DoD Warrior Games, which was established in 2010 to introduce wounded, ill and injured service members to adaptive sports as a way to enhance their recovery and rehabilitation. (U.S. Air Force photo by Capt Steve Lewis)