Matches in DBpedia 2014 for { ?s ?p <http://dbpedia.org/resource/Category:Naval_warfare> . }
- Category:Punitive_expeditions broader Category:Naval_warfare.
- Category:Riverine_warfare broader Category:Naval_warfare.
- Category:Stealth_ships broader Category:Naval_warfare.
- Category:Submarine_warfare broader Category:Naval_warfare.
- Category:Works_of_maritime_history broader Category:Naval_warfare.