Photo G3012: Two members of the 188th MP Company, 92nd MP Battalion Harbor Patrol Detachment, Nha Be, Vietnam in 1967. If you can provide any missing identifications, use this Email Link. Courtesy of SP/4 Edward J. Palmer, Jr., C Company, 720th MP Battalion & 188th MP Company, 92nd MP Battalion, 89th MP Group, 18th MP Brigade, Vietnam, June 1966-December 1967.