Photo G3517a: OH-6 Cayuse “Loach” conducts surveillance on the Buong River southern border of the 720th MP Battalion, 89th MP Group, 18th MP Brigade Tactical Area Of Responsibility in Bien Hoa Province of III Corps Tactical Zone, Vietnam on 13 October 1968. A combined search team consisting of members of B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade accompanied by members of the 15th ARVN & 702nd U.S. MI Detachments search a point in the river for a Viet Cong mine that was place to target B Company river craft. Courtesy of 1LT (CPT Ret.) Robert L. Chavis, Ambush Platoon Leader, B Company, 720th MP Battalion, 89th MP Group, 18th MP Brigade, Long Binh Post, Vietnam, September 1968-January 1969.