"Ketchikan (YTB-795)" . "1968-06-11" . "9.4488" . . . "1967-12-18" . . "1967-06-15" . "Ketchikan (YTB-795)" . . "4.2672" . "1968-11-06" . . . "Disposed of in support of fleet training exercise, 25 April 2003" . . "22.224" . . . "33.2232" .