Photo G3140: 1LT Norman Haber, Platoon Leader (left), and other members of the 188th MP Company, 92nd MP Battalion, 89th MP Group, 18th MP Brigade begin the addition of the new 55 gallon drum and sandbag blast walls around the cantonment structures in Pershing Field, Saigon Military District, Vietnam in the early spring of 1967. If you can identify the other MP's use this Email Link. Courtesy of PFC Keith Hittson, 188th MP Company, 92nd MP Battalion, 89th MP Group, 18th MP Brigade, Vietnam, 1966-1967.