▁in ▁the ▁C ag ay an ▁Valley . ▁This ▁included ▁sending ▁troops ▁to ▁the ▁provinces ▁of ▁C ag ay an ▁and ▁Isabel a , ▁and ▁helping ▁the ▁local ▁soldiers ▁of ▁the ▁ 1 1 th ▁and ▁ 1 4 th ▁Infantry ▁Regiment ▁of ▁the ▁USA FI P - NL , ▁the ▁local ▁gu err illa ▁f igh ters ▁and ▁the ▁U . S . ▁liber ation ▁forces . ▁They ▁fought ▁against ▁the ▁Japanese ▁Imperial ▁forces ▁from ▁ 1 9 4 2 ▁to ▁ 1 9 4 5 . ▁ ▁The ▁Battle ▁off ▁Cape ▁Eng añ o ▁on ▁October ▁ 2 6 , ▁ 1 9 4 4 , ▁was ▁held ▁off ▁Cape ▁Eng añ o . ▁At ▁that ▁time ▁American ▁car rier ▁forces ▁attacked ▁the ▁Japanese ▁Northern ▁Force . ▁This ▁became ▁the ▁con cluding ▁action ▁of ▁the ▁Battle ▁of ▁Ley te ▁G ulf . ▁The ▁Japanese ▁lost ▁ 4 ▁carri ers , ▁ 3 ▁light ▁cru is ers ▁and ▁ 9 ▁destroy ers . ▁ ▁In ▁ 1 9 4 5 , ▁the ▁combined ▁United ▁States ▁and ▁Philipp ine ▁Commonwealth ▁ground ▁troops , ▁together ▁with ▁the ▁recognized ▁gu err illas , ▁took ▁C ag ay an . ▁Part ▁of ▁the ▁action ▁were ▁the ▁Filip ino ▁soldiers ▁of ▁the ▁ 1 st , ▁ 2 nd , ▁ 1 2 th , ▁ 1 3 th , ▁ 1 5 th ▁and ▁ 1 6 th ▁Infantry ▁Division ▁of ▁the ▁Philipp ine ▁Commonwealth ▁Army , ▁ 1 st ▁Const ab ul ary ▁Regiment ▁of