 Apart from the headquarters staff and a handful of support units, the only combat units in the Citadel were the division’s 36-man Reconnaissance Platoon and its reaction force, the elite "Hac Bao" (Black Panther) Reconnaissance Company.southwest of the Citadel, on the north bank of the Perfume River, was the Van Thanh divisional training center and a two-gun detachment of 105mm howitzers.south of the Perfume River and just west of Highway 1 was the Tam Thai military camp, headquarters of the ARVN 7th Armored Squadron Regiment equipped with M41 Walker Bulldog tanks.