▁at ▁Long ▁T ien g . ▁The ▁next ▁two ▁Unity ▁Batt al ions , ▁BC s ▁ 6 0 3 ▁and ▁ 6 0 4 , ▁were ▁pulled ▁from ▁the ▁final ▁stages ▁of ▁training ▁and ▁sent ▁to ▁rein force ▁the ▁H m ong ▁irregular s . ▁To ▁maintain ▁unit ▁integrity , ▁the ▁Th ais ▁had ▁to ▁f end ▁off ▁V ang ▁Pa o ' s ▁attempt ▁to ▁par cel ▁out ▁pl ato ons ▁of ▁Th ai ▁rep lac ements ▁into ▁H m ong ▁gu err illa ▁units . ▁The ▁Th ais ▁were ▁trained ▁to ▁fight ▁coh es ively ▁as ▁mobile ▁off ensive ▁troops , ▁and ▁they ▁intended ▁to ▁retain ▁that ▁cap ability . ▁ ▁On ▁ 3 ▁March , ▁the ▁first ▁Th ai ▁batt al ions ▁arrived ▁at ▁Long ▁T ien g . ▁Unity ▁troops ▁held ▁the ▁line ▁through ▁March ; ▁P AV N ▁could ▁not ▁over run ▁Long ▁T ien g ▁and ▁win ▁the ▁war ▁before ▁the ▁ra iny ▁season ▁qu ashed ▁operations . ▁ ▁Unity ▁batt al ions ▁continued ▁to ▁transfer ▁into ▁MR ▁ 2 . ▁The ▁Th ais ▁re capt ured ▁the ▁advanced ▁f ighter ▁base ▁at ▁Mu ang ▁Sou i ▁by ▁late ▁September ▁ 1 9 7 1 . ▁The ▁Th ais ▁had ▁also ▁set ▁up ▁a ▁network ▁of ▁art illery ▁fire ▁support ▁bases ▁with ▁mut ually ▁inter lock ing ▁fields ▁of ▁fire ▁across ▁the ▁exp anse ▁of ▁the ▁P lain ▁of ▁J ars ▁to ▁defend ▁it ▁against ▁the ▁Commun ists . ▁ ▁Also ▁in ▁late ▁September , ▁the