found: Wikipedia, 10 Sept. 2013:under Captain Class frigate (The Captain class was a designation given to 78 frigates of the Royal Navy, constructed in the United States of America, launched in 1942--1943 and delivered to the United Kingdom under the provisions of the Lend-Lease agreement; they were drawn from two sub-classes of the American destroyer escort classification: 32 from the Evarts sub-class and 46 from the Buckley sub-class; upon reaching the UK the ships were substantially modified by the Royal Navy, making them distinct from the US Navy destroyer escort ships)
