The name Prince William (CVE-19) (earlier AVG-19 then ACV-19) was assigned to MC hull 198, a converted C3 laid down by the Western Pipe and Steel Company, San Francisco, California, 15 December 1941. Designated for transfer to the Royal Navy under the Lend-Lease Agreement, she was renamed and launched as HMS Striker (D12), 7 May 1942; redesignated ACV-19, 20 August 1942; delivered to the United States Navy 28 April 1943; and transferred to the Royal Navy 18 May 1943. Redesignated CVE-19, on the US Navy List, 15 July 1943, she served with the Royal Navy throughout the remainder of World War II.