<http://caligraph.org/ontology/United_States_military_helicopter>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/United_States_helicopter> .
<http://caligraph.org/ontology/1980s_United_States_helicopter>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/United_States_helicopter> .
<http://caligraph.org/ontology/United_States_helicopter>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_type_Helicopter> .
<http://caligraph.org/ontology/1990s_United_States_helicopter>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/United_States_helicopter> .
<http://caligraph.org/ontology/1920s_United_States_helicopter>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/United_States_helicopter> .
<http://caligraph.org/ontology/2020s_United_States_helicopter>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/United_States_helicopter> .
<http://caligraph.org/ontology/United_States_helicopter>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:United_States_helicopters> .
<http://caligraph.org/ontology/United_States_helicopter>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Aircraft> .
<http://caligraph.org/ontology/United_States_helicopter>	<http://www.w3.org/2000/01/rdf-schema#label>	"United States helicopter" .
<http://caligraph.org/ontology/United_States_helicopter>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Helicopter> .
<http://caligraph.org/ontology/2010s_United_States_helicopter>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/United_States_helicopter> .
<http://caligraph.org/ontology/1940s_United_States_helicopter>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/United_States_helicopter> .
<http://caligraph.org/ontology/United_States_helicopter>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1960s_United_States_helicopter>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/United_States_helicopter> .