Why tomcat

Hi evry one.

why the us navy get the the f-14 tomcat from the serves.becaus the cost of this cat or it becam old.but it has one of most powerfull air to air missile in the world and can defend for battelshepas good why get it out .

the replacement f-18E/F not have what this aircraft have .and the big things here why it get out and some older aircraft in the world still in the serves Tthe B-52 bomber and another mig-21 we see one of most good and best aircraft push out and no good or above replacemnt keep it in place. WHY 😡