5 ▁cal iber ▁guns ▁array ed ▁in ▁three ▁triple ▁mount s , ▁a ▁super f iring ▁pair ▁fore ▁and ▁one ▁a ft . ▁For ▁anti - air craft ▁defense , ▁they ▁were ▁armed ▁with ▁eight ▁ 5 "/ 2 5 ▁cal iber ▁guns ▁as ▁well ▁as ▁two ▁Q F ▁ 3 ▁p ound er ▁Hot chk iss ▁guns . ▁By ▁ 1 9 4 5 , ▁the ▁anti - air craft ▁def enses ▁of ▁both ▁ships ▁had ▁repeatedly ▁been ▁upgrad ed , ▁with ▁each ▁eventually ▁receiving ▁twenty ▁four ▁B of ors ▁ 4 0 ▁mm ▁guns . ▁On ▁ ▁these ▁were ▁arranged ▁in ▁four ▁quad ▁mount s ▁and ▁four ▁tw in ▁mount s , ▁and ▁on ▁ ▁they ▁were ▁array ed ▁in ▁six ▁quad ▁mount s . ▁Both ▁ships ▁were ▁also ▁upgrad ed ▁with ▁twelve ▁O er lik on ▁ 2 0 ▁mm ▁can n ons . ▁No ▁tor ped o ▁tub es ▁were ▁fitted ▁on ▁either ▁ship ▁of ▁the ▁class . ▁The ▁ships ▁were ▁out f itted ▁with ▁M k . ▁ 8 ▁range keep ers ▁and ▁M k . ▁ 2 7 ▁direct ors ▁which ▁also ▁hous ed ▁auxili ary ▁M k . ▁VII ▁range keep ers . ▁ ▁The ▁Port land ▁class ▁was ▁originally ▁designed ▁with ▁ ▁of ▁deck ▁protection ▁and ▁ ▁of ▁side ▁protection , ▁but ▁during ▁construction ▁they ▁were ▁substantial ly ▁up - arm ored . ▁The ▁ships ▁were ▁completed ▁with ▁bel t ▁arm or ▁ ▁thick ▁over ▁the ▁mag az ines ▁and ▁ ▁elsewhere . ▁Arm ored