U.S. Army Col. Aaron M. Dotson, a retired World War II and Vietnam War veteran, holds his military training class photo, in his home in Hampton, Va., Aug. 8, 2015. Dotson served in the military for 20 years, during which time he saw many changes throughout the U.S. Army’s social culture. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)