High Quality Content by WIKIPEDIA articles! USS Orvetta (IX–157) was built for the US Shipping Board as Tampa in 1920 by the Oscar Daniels Co., Tampa, Fla. and acquired by the United States Navy on a bareboat charter from the Maritime Commission 4 April 1944. She was renamed Orvetta and converted for military service as a barracks ship by the Matson Navigation Co., San Francisco; and commissioned 7 June 1944, Lt. Comdr. G. L. Armstrong, in command.