Army Master Sgt. Aaron De Los Santos, who’s dealing with a back injury and several autoimmune diseases including rheumatoid arthritis and lupus, will compete at the 2018 Department of Defense Warrior Games held June 1-9 at the U.S. Air Force Academy in Colorado Springs, Colo. De Los Santos is pictured at swimming practice during Fort Benning’s Atlantic Regional Trials at Fort Benning, Ga., Dec. 7, 2017. Army photo by Master Sgt. Aaron De Los Santos