u ▁conduct s ▁his ▁troops ▁like ▁a ▁season ed ▁' arm or ▁officer ', ▁and ▁combat ants ▁of ▁ 2 2 nd ▁Division ▁fought ▁as ▁eleg antly ▁as ▁our ▁par atro op ers ." ▁▁ Đ ạ i ▁B à ng ▁ 8 0 0 ▁In ▁February ▁ 1 9 6 7 , ▁Colonel ▁Hi ế u ▁launched ▁Operation ▁ Đ ạ i ▁B à ng ▁ 8 0 0 . ▁For ▁three ▁days ▁prior ▁to ▁Vietnam ese ▁operation , ▁units ▁of ▁the ▁US ▁ 1 st ▁Caval ry ▁Division ▁were ▁un success ful ▁in ▁discover ing ▁the ▁enemy ▁in ▁their ▁oper ational ▁areas . ▁Hi ế u ▁l ured ▁the ▁enemy ▁by ▁dispatch ing ▁a ▁reduced ▁regiment ▁to ▁set ▁up ▁an ▁over night ▁camp ▁in ▁Ph ù ▁M ỹ , ▁knowing ▁that ▁enemy ▁sp ies ▁amongst ▁the ▁ind igen ous ▁far mers ▁would ▁report ▁the ▁status ▁of ▁the ▁oper ational ▁troops . ▁Hi ế u ▁position ed ▁a ▁motor ized ▁inf antry ▁batt alion ▁and ▁an ▁arm ored ▁unit ▁ 1 0 ▁kilom eters ▁away . ▁Th inking ▁they ▁had ▁an ▁easy ▁target , ▁the ▁enemy ▁attacked ▁the ▁camp ▁with ▁a ▁regiment ▁belonging ▁to ▁ 3 rd ▁N VA ▁Division ▁at ▁ 2 : 0 0   a . m . ▁Alert ed ▁by ▁the ▁regiment ' s ▁commander , ▁Hi ế u ▁sent ▁in ▁the ▁reserve ▁forces ▁to ▁cut ▁off ▁the ▁enemy ' s ▁retre at ▁and ▁join ▁forces ▁with ▁the ▁def enders . ▁After ▁a ▁three - hour ▁fier ce