About: http://webisa.webdatacommons.org/242978314

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	but in 1956 air forces mostly had jets, because this was just after the Korean War where jets officially became the main kinds of aircraft.
http://www.w3.org/ns/prov#wasQuotedFrom	deviantart.com