On the morning of 10 March the 1st Marine Battalion engaged the PAVN twice killing 72 PAVN and capturing 20 weapons, a recoilless rifle and four grenade launchers for the loss of six Marines killed. The 1st Infantry Regiment searched Ta Luong and Route 914 and in two areas 10km south and southwest of FSB Sophia found the bodies of 72 PAVN dead and 12 trucks, eight tracked vehicles, three 122mm guns, two 37mm anti-aircraft guns, four 12.7mm machine guns, two 122mm rocket launchers and 400 AK-47s destroyed by B-52s and also captured five prisoners. PAVN pressure increased on FSB Sophia with a heavy attack by fire damaging six of the eight 105mm guns.