About: http://webisa.webdatacommons.org/326375513

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	Operating by night and at high altitude, precise navigation and identification of targets was a major problem.
http://www.w3.org/ns/prov#wasQuotedFrom	thehumanjourney.net