{{Infobox ship |Ship image= File:USS Commencement Bay (CVE-105) c1944.jpeg |Ship caption= |module= |module2= |} USS Commencement Bay (CVE-105) (ex-St. Joseph Bay), the lead ship of her class, was an escort carrier and later helicopter carrier of the United States Navy, used mostly as a training ship. Commencement Bay was launched 9 May 1944 by Todd Pacific Shipyards, Tacoma, Washington; sponsored by Mrs. F. Eves; and commissioned 27 November 1944, Captain Roscoe Leroy Bowman in command.