Mustache March, an Air Force tradition
U.S. Air Force Staff Sgt. Christopher Ruano, a 52nd Fighter Wing public affairs photojournalist, takes a selfie with his mustache, Gregory, in honor of Mustache March, March 14, 2016. Mustache March is an Air Force tradition that started during the Vietnam War and is still practiced today. (U.S. Air Force selfie by Staff Sgt. Christopher Ruano/Released)