, ▁the ▁commander ▁of ▁the ▁H Q - 1 1 ▁decided ▁to ▁pull ▁anchor ▁and ▁escaped ▁to ▁the ▁Philippines ▁when ▁further ▁rein for c ements ▁from ▁the ▁R V N ▁failed ▁to ▁arrive . ▁At ▁ 6 . 3 0   am ▁rem n ants ▁of ▁the ▁AR V N ▁gave ▁up ▁and ▁ended ▁their ▁resistance . ▁The ▁North ▁Vietnam ese ▁claimed ▁to ▁have ▁captured ▁ 3 8 2 ▁AR V N ▁prisoners , ▁and ▁collected ▁more ▁than ▁ 9 0 0 ▁weapons ▁of ▁various ▁kinds . ▁ ▁C ô n ▁ Đ ả o ▁Arch ip el ago ▁C ô n ▁ Đ ả o ▁arch ip el ago ▁is ▁located ▁in ▁the ▁south western ▁area ▁of ▁the ▁South ▁China ▁Sea , ▁nearly ▁ ▁from ▁the ▁city ▁of ▁V ũ ng ▁T à u . ▁C ô n ▁S ơ n ▁Island ▁is ▁the ▁largest ▁island ▁with ▁an ▁area ▁of ▁ 5 2 ▁square ▁kilom eters , ▁account ing ▁for ▁about ▁ 7 5 % ▁of ▁the ▁entire ▁C ô n ▁ Đ ả o ▁arch ip el ago . ▁C ô n ▁S ơ n ▁is ▁the ▁largest ▁town ship ▁on ▁the ▁island ▁and ▁was ▁also ▁the ▁seat ▁of ▁the ▁local ▁government . ▁By ▁the ▁end ▁of ▁the ▁Vietnam ▁War , ▁about ▁ 7 , 0 0 0 ▁political ▁and ▁military ▁prisoners , ▁of ▁whom ▁ 5 0 0 ▁were ▁female , ▁were ▁imprison ed ▁at ▁C ô n ▁ Đ ả o ▁Pr ison . ▁On ▁April ▁ 2 9