USS Roi (CVE-103), originally MC hull 1140 and later projected as an AVG and an ACV, was laid down as Alava Bay (CVE-103) on 22 March 1944 by Kaiser Shipbuilding Co., Vancouver, Washington; renamed Roi on 26 April 1944; launched on 2 June 1944; sponsored by Mrs. William Sinton; acquired from the Maritime Commission and commissioned on 6 July 1944, Captain P. H. Lyon in command.