▁Oak ley ▁in ▁her ▁place . ▁Oak ley ▁was ▁launched ▁on ▁ 1 5 ▁January ▁ 1 9 4 2 ▁and ▁completed ▁on ▁ 7 ▁May ▁ 1 9 4 2 . ▁ ▁Oak ley ▁was ▁ ▁long ▁ ▁between ▁per pend icular s ▁and ▁ ▁overall . ▁ ▁The ▁ship ' s ▁beam ▁was ▁ ▁and ▁dra ug ht ▁. ▁Dis p lacement ▁was ▁ ▁standard ▁and ▁▁ ▁under ▁full ▁load . ▁Two ▁Admir alty ▁bo ilers ▁raising ▁steam ▁at ▁ ▁and ▁ ▁fed ▁Par s ons ▁single - redu ction ▁ge ared ▁steam ▁tur b ines ▁that ▁drove ▁two ▁prop eller ▁sh aft s , ▁generating ▁ ▁at ▁ 3 8 0 ▁r pm . ▁This ▁gave ▁a ▁speed ▁of ▁. ▁▁ ▁of ▁oil ▁were ▁carried , ▁giving ▁a ▁design ▁range ▁of ▁ ▁( although ▁in ▁service ▁use , ▁this ▁dropped ▁to ▁). ▁ ▁The ▁ship ' s ▁main ▁gun ▁arm ament ▁was ▁six ▁ 4 ▁in ch ▁( 1 0 2 ▁mm ) ▁Q F ▁M k ▁XVI ▁dual ▁purpose ▁( anti - ship ▁and ▁anti - air craft ) ▁guns ▁in ▁three ▁tw in ▁mount s , ▁with ▁one ▁mount ▁forward ▁and ▁two ▁a ft . ▁Add itional ▁close - in ▁anti - air craft ▁arm ament ▁was ▁provided ▁by ▁a ▁quad ru ple ▁ 2 - p ound er ▁" pom - pom " ▁mount ▁and ▁two ▁single ▁O er lik on ▁ 2 0 ▁mm ▁can non ▁mounted ▁in ▁the ▁bridge ▁wings . ▁Power - oper ated