About: http://webisa.webdatacommons.org/141724192

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	Schilling???s aerial refueling operation was a revolution ??? and a method that is still employed today.
http://www.w3.org/ns/prov#wasQuotedFrom	historicwings.com