 On the night of 3 February, the PAVN commander, seeing the buildup of Marines at Huế University, thinned out his frontline forces leaving just a platoon to defend the Treasury building and adjacent Post Office.On the morning of 4 February the Marines launched their attack on the Treasury.The initial assault was on the left flank by Company A, 1/1 Marines which was tasked with securing a Catholic chapel and the Jeanne d'Arc High School ().