▁ 3 0 ▁April ▁it ▁was ▁clear ▁that ▁the ▁P AV N ▁intended ▁to ▁either ▁attack ▁ Đ ô ng ▁H à ▁Base ▁or ▁move ▁through ▁the ▁area ▁and ▁attack ▁Qu ả ng ▁Tr ị . ▁With ▁limited ▁Marine ▁res erves ▁available , ▁Tom p kins ▁requested ▁Army ▁rein for c ements ▁from ▁I ▁Field ▁Force ▁commander ▁Lieutenant ▁general ▁William ▁B . ▁Ros son ▁who ▁sent ▁the ▁ 3 rd ▁Battalion , ▁ 2 1 st ▁Infantry ▁Regiment ▁to ▁a ▁landing ▁zone ▁north ▁of ▁ Đ ô ng ▁H à ▁on ▁the ▁morning ▁of ▁ 1 ▁May . ▁ ▁On ▁the ▁morning ▁of ▁ 1 ▁May ▁Company ▁B ▁pat rol s ▁in ▁An ▁Loc ▁found ▁that ▁the ▁P AV N ▁had ▁desert ed ▁the ▁ham let ▁over night . ▁Out side ▁the ▁ham let ▁they ▁saw ▁a ▁group ▁of ▁approximately ▁ 6 0 ▁P AV N ▁moving ▁across ▁p addy fields ▁north ▁of ▁An ▁Loc ▁and ▁opened ▁fire ▁on ▁them ▁in ▁what ▁was ▁described ▁as ▁a ▁" t ur key ▁shoot ". ▁While ▁art illery ▁fire ▁continued ▁to ▁be ▁directed ▁at ▁D ai ▁Do , ▁at ▁ 1 0 : 0 0 ▁Company ▁G ▁and ▁ 2 ▁M 4 8 s ▁were ▁land ed ▁by ▁L CM s ▁at ▁An ▁Loc ▁and ▁moved ▁west ▁through ▁Company ▁B ' s ▁positions ▁to ▁attack ▁D ai ▁Do . ▁Company ▁G ▁was ▁met ▁by ▁inten se ▁fire ▁from ▁the ▁ent rench ed ▁P AV N ▁and ▁had ▁to ▁knock ▁out ▁each ▁b unker ▁one ▁by ▁one