High Quality Content by WIKIPEDIA articles! The USS Hamlin (CVE-15) was one of a large group of escort aircraft carriers built on Maritime Commission C-3 hulls and transferred to the United Kingdom under lend-lease during World War II. Launched by Western Pipe and Steel Company, San Francisco, California, 5 March 1942, as AVG-15, aircraft escort vessel, she was sponsored by Mrs. William H. Shea. Her designation was changed to ACV-15, auxiliary aircraft carrier, 20 August 1942, and she was acquired and simultaneously transferred to the United Kingdom 21 December 1942. Hamlin`s designation was changed to CVE-15, escort aircraft carrier, 15 July 1943.