Photo G3631: The 720th MP Battalion Commander LTC Zane V. Kortum and staff, depart by helicopter from the 720th MP Battalion, 89th MP Group, 18th MP Brigade 22 square mile Tactical Area Of Responsibility an Operation STABILIZE cordon and search operation of Long Hung and An Xuan Villages in Bien Hoa Province of III Corps Tactical Zone, Vietnam on 27 April 1968 . Courtesy of the 1LT Michael L. Dunlap Estate c/o Patricia Keeney and Bryan Dunlap DeVaney.