John CollinsFormer name retained.(Tr: dp. 500; 1. 135& 39;; b. 22& 39;; dr. 14& 39;6& 34;; s. 9 k.)John Collins, a British civilian trawler, was leased by the Navy and commissioned 28 May 1919. She immediately commenced minesweeping operations out of Kirkwall, Scotland, clearing the western half of the Northern Mine Barrage which had been laid down during World War I to protect the harbors of the United Kingdom.