Retired U.S. Army Maj. Gen. David Whaley speaks to Vietnam War veterans during the 50th Anniversary Vietnam Commemoration luncheon at Joint Base Langley-Eustis, Va., July 27, 2017. During the luncheon, Whaley stressed the importance of educating communities on the significance of those individuals who say the Oath of Enlistment or the Oath of Office. (U.S. Air Force photo/Staff Sgt. Teresa J. Cleveland)