Photo G3186: SSG David G. Tressler (right) of B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, inspecting an ARVN bunker position at Dong Tam, IV Corps Tactical Zone, Mekong Delta in 1970. Courtesy of SSG David G. Tressler, B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, 1970-1971.