. . . . . . . . "Organizational maintenance manual : tug, harbor, diesel, 600 H.P., steel, 65 foot, design 3004, hull numbers ST1978 through ST2015"@en . . . "Tug, harbor, diesel, 600 H.P., steel, 65 foot, design 3004, hull numbers ST1978 through ST2015"@en . . "Handbooks and manuals"@en . "United States. Army" . . . .