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WikiPedia: USS_O'Brien_(DD-415) http://www.researcheratlarge.com/Ships/DD415/DD415... http://www.history.navy.mil/photos/sh-usn/usnsh-o/... http://www.navsource.org/archives/05/415.htm //tools.wmflabs.org/geohack/geohack.php?language=v... https://commons.wikimedia.org/wiki/Category:USS_O'...