About: http://webisa.webdatacommons.org/274997196

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	confirmed orally but confidentially by others, including several members of the crew of the submarine
http://www.w3.org/ns/prov#wasQuotedFrom	ussliberty.org