http://dbpedia.org/resource/German_submarine_U-246
http://dbpedia.org/resource/RFA_Sea_Salvor_(A503)
http://dbpedia.org/resource/USS_Aspro_(SS-309)
http://dbpedia.org/resource/SS_Empire_Javelin
http://dbpedia.org/resource/German_submarine_U-1230
