<http://caligraph.org/ontology/Patrol_vessel_of_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Patrol_vessel> .
<http://caligraph.org/ontology/American_Civil_War_patrol_vessel_of_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Patrol_vessel_of_the_United_States> .
<http://caligraph.org/ontology/Fleet-class_unmanned_surface_vessel>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Patrol_vessel_of_the_United_States> .
<http://caligraph.org/ontology/Patrol_vessel_of_the_United_States>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Patrol_vessels_of_the_United_States> .
<http://caligraph.org/ontology/Vietnam_War_patrol_vessel_of_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Patrol_vessel_of_the_United_States> .
<http://caligraph.org/ontology/Cyclone-class_patrol_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Patrol_vessel_of_the_United_States> .
<http://caligraph.org/ontology/Patrol_vessel_of_the_United_States>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Patrol_vessel_of_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#label>	"Patrol vessel of the United States" .
<http://caligraph.org/ontology/Korean_War_patrol_vessel_of_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Patrol_vessel_of_the_United_States> .