0 ▁attack ▁son ar , ▁together ▁with ▁a ▁Type ▁ 1 9 9 ▁variable ▁depth ▁son ar ▁( V DS ). ▁ ▁Between ▁ 1 9 7 7 ▁and ▁ 1 9 8 0 , ▁And rom eda ▁under w ent ▁a ▁major ▁reconst ruction , ▁in ▁which ▁the ▁ship ' s ▁arm ament ▁and ▁sens ors ▁were ▁greatly ▁re vised . ▁The ▁ 4 . 5 ▁in ch ▁gun ▁tur ret , ▁Sea ▁Cat ▁launch er ▁and ▁Lim bo ▁anti ▁sub marine ▁mort ar ▁were ▁removed , ▁with ▁a ▁se xt u ple ▁Sea ▁Wolf ▁surface - to - air ▁miss ile ▁launch er ▁and ▁four ▁Ex oc et ▁miss iles ▁fitted ▁forward . ▁Two ▁triple ▁ST WS - 1 ▁ ▁tor ped o ▁tub es ▁allowed ▁anti - sub marine ▁tor ped o es ▁to ▁be ▁launched , ▁while ▁the ▁ship ' s ▁hang ar ▁and ▁flight ▁deck ▁was ▁en larg ed ▁to ▁allow ▁a ▁West land ▁Lyn x ▁hel ic opter ▁to ▁be ▁carried ▁instead ▁of ▁the ▁smaller ▁W asp . ▁A ▁completely ▁new ▁rad ar ▁out fit ▁was ▁fitted , ▁with ▁a ▁Type ▁ 9 6 7 ▁air - search ▁rad ar ▁and ▁a ▁Type ▁ 9 6 8 ▁low - level ▁air ▁warning ▁and ▁surface ▁search ▁rad ar ▁fitted ▁back ▁to ▁back ▁on ▁the ▁ship ' s ▁for em ast , ▁and ▁with ▁a ▁Type ▁ 1 0 0 6 ▁navigation ▁rad ar ▁fitted ▁lower ▁down ▁on ▁the ▁ship ' s ▁for em ast . ▁A ▁Type ▁