High Quality Content by WIKIPEDIA articles! The second USS San Juan (CL-54), an Atlanta-class light cruiser of the United States Navy of World War II. She was laid down on 15 May 1940 by the Bethlehem Steel Co. (Fore River), Quincy, Massachusetts; launched on 6 September 1941; sponsored by Mrs. Margarita Coll de Santori; and commissioned on 28 February 1942, Captain James E. Maher in command.