3rd Platoon, A Company, 4th Battalion, 47th Infantry Long An Province – June 19, 1967 Photo courtesy of Steven V. Conto of “The Final Bridge”Pfc Allen Engel of Mt. Calvary, Wisconsin was one of 47 brave troopers who gave the ultimate sacrifice on June 19, 1967 in a large battle with Viet Cong forces near Ap Bac Village in the Mekong Delta. 250 VC fighters also perished that day.