their names , hometowns , dates of birth , and loss dates were : _air force maj. joseph j. karins , jr. , of syracuse , n.y. , born april 21 , 1938 , lost over north vietnam , march 11 , 1967 ; _navy lt. john v. mccormick , of burt , mich. , born dec. 12 , 1939 , lost over north vietnam , dec. 1 , 1965 ; _air force chief master sgt .