. "Returned to owners" . "USS Vidofner"@en . . . "0.9144"^^ . "1917-12-07Z"^^ . . "USS Vidofner (SP-402) was a United States Navy patrol vessel in commission from June to December 1917."@en . . "3.3528"^^ . "1917-05-19Z"^^ . "1917-06-07Z"^^ . . "17.6784"^^ .