Retired U.S. Army Lt. Col. Jim Shamble, left, and retired Sgt. Maj. Timothy Pentecost, both members of Veterans of Foreign Wars Post 824, cut a cake at the conclusion of the 50th Anniversary Vietnam War Commemoration flag presentation ceremony at the Langley Air Force Base, Va., commissary, Nov. 9, 2013. Shamblem and Pentecost both served in the Vietnam War, and helped reveal the commemoration flag. (U.S. Air Force photo by Airman 1st Class Kimberly Nagle/Released)