"1943-01-13" . . "Returned to U.S. custody, 31 March 1967" . . . "USS Heron (AVP-2)" . "41.4528" . "transferred to Japan, 21 March 1955" . . . . . . . "1943-07-24" . "24.076" . "7.3152" . . . . "USS ''Heron'' (AMS-18)" . . "1946-03-02" . . . "Used as a fire target" . . . "1943-10-11" . "USS Heron (AMS-18)" . "1949-07-15" . "1955-03-21" . "1967-03-31" . . . "1.8288" . . . "1955-03-21" . . . "USS Heron (AMS-18)" .