with captain douglas n. syverson in command, "hunley" sailed 25 july 1962 for shakedown training off cuba until 6 september 1962. she visited several gulf and atlantic ports and returned to norfolk 28 september for post-shakedown alterations until 8 december 1962. after which the "hunley" paid a 3-day visit to new york city to host the naval reserve officers seminar "new ships for the modern navy". she departed from the norfolk operating base 29 december 1962 for holy loch, scotland, arriving 9 january 1963. almost immediately she began taking the load off uss "proteus", whom she officially relieved 15 march 1963 as tender to submarine squadron 14 at holy loch. this duty continued until 12 april 1964 when "hunley" sailed for conversion that provided capability of handling the new a3 polaris missile. she resumed her duties at holy loch on 15 june 1964.