U.S. Army Sgt. Maj. Derrick Durham, U.S. Army Reserves Directorate, U.S. Army Center for Initial Military Training senior enlisted advisor, pins a Vietnam Veteran Lapel Pin on a U.S. Air Force Vietnam Veteran at Joint Base Langley-Eustis, Virginia, March 29, 2019. The U.S. Vietnam War Commemoration event at JBLE was hosted by the Defense Commissary Agency and Army and Air Force Exchange Service. (U.S. Air Force photo by Senior Airman Tristan Biese)