<http://caligraph.org/ontology/Neil_Armstrong-class_oceanographic_research_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Oceanographic_research_ship_of_the_United_States_Navy> .
<http://caligraph.org/ontology/Oceanographic_research_ship_of_the_United_States_Navy>	<http://www.w3.org/2000/01/rdf-schema#label>	"Oceanographic research ship of the United States Navy" .
<http://caligraph.org/ontology/Thomas_G._Thompson-class_oceanographic_research_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Oceanographic_research_ship_of_the_United_States_Navy> .
<http://caligraph.org/ontology/Oceanographic_research_ship_of_the_United_States_Navy>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Research_vessel_of_the_United_States_Navy> .
<http://caligraph.org/ontology/Robert_D._Conrad-class_oceanographic_research_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Oceanographic_research_ship_of_the_United_States_Navy> .
<http://caligraph.org/ontology/Oceanographic_research_ship_of_the_United_States_Navy>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Oceanographic_research_ships_of_the_United_States_Navy> .
<http://caligraph.org/ontology/Gyre-class_oceanographic_research_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Oceanographic_research_ship_of_the_United_States_Navy> .
<http://caligraph.org/ontology/Oceanographic_research_ship_of_the_United_States_Navy>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .