Photo G2587: Members of B Company, 720th MP Battalion, River Patrol transporting members of the Ambush Platoon on a Boston Whaler Skimmer on the Dong Nai River, Vietnam in 1969. Left to right: SP/4 Robert L. "Big Red" Presnell, SP/4 “Easy” Ed Aldrich, Ralph "Doc" Main. Courtesy of SP/4 Edward R. Aldrich B Company, 720th MP Battalions, 89th MP Group, 18th MP Brigade, July 1969-July 1970.