- class ▁cor v ettes ▁are ▁two ▁ships ▁of ▁the ▁Royal ▁Malays ian ▁Navy , ▁K D ▁K ast uri ▁( F 2 5 ) ▁and ▁K D ▁Le kir ▁( F 2 6 ). ▁They ▁were ▁acquired ▁in ▁the ▁mid - 1 9 8 0 s . ▁The ▁two ▁ships ▁const itute ▁the ▁Malays ian ▁Navy ' s ▁ 2 2 nd ▁Cor v ette ▁Squadron , ▁their ▁home port ▁being ▁L um ut . ▁After ▁about ▁ 2 5 ▁years ▁of ▁service , ▁they ▁under w ent ▁an ▁extensive ▁modern isation ▁known ▁as ▁Service ▁Life ▁Ext ension ▁Program ▁( S LE P ) ▁starting ▁in ▁ 2 0 0 9 , ▁en abling ▁them ▁to ▁be ▁employed ▁for ▁another ▁ 1 0 ▁to ▁ 1 5 ▁years . ▁They ▁have ▁since ▁been ▁returned ▁to ▁active ▁duty . ▁ ▁The ▁two ▁ships ▁of ▁the ▁class ▁are ▁named ▁after ▁H ang ▁K ast uri ▁and ▁H ang ▁Le kir , ▁two ▁hero ic ▁figures ▁from ▁the ▁Mal ay ▁ 1 5 th - century ▁ep ic ▁narr ative ▁H ik ay at ▁H ang ▁Tu ah . ▁They ▁share ▁this ▁characteristic ▁with ▁the ▁two ▁s ▁K D ▁Le ki u ▁and ▁K D ▁J eb at , ▁as ▁well ▁as ▁the ▁old ▁fr ig ate - turn ed - training ship ▁, ▁all ▁of ▁which ▁are ▁named ▁after ▁figures ▁from ▁the ▁ep ic ▁as ▁well . ▁ ▁Development ▁The ▁class ▁was ▁ordered ▁in ▁February ▁ 1 9 8 1 , ▁and ▁built ▁by