Old Guard Members of the 3d U.S. Infantry Regiment, The Old Guard, participate in the graveside service for Army Sgt. 1st Class Alan Lee Boyer in Section 28 of Arlington National Cemetery, June 22, 2016, in Arlington, Va. Boyer, a Green Beret, was listed missing in action during the Vietnam War and his remains were recently identified. SHARE: Download: Full Size (1.99 MB) Tags: POW/MIA, Vietnam War Credit: Rachel Larue, Army VIRIN: 160622-A-DR853-138.JPG Photo Gallery