About: http://webisa.webdatacommons.org/367218095

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	U.S. Navy estimates indicated that by the 1960s the Soviets could have 1,200 or even 2,000 submarines of all types at sea.
http://www.w3.org/ns/prov#wasQuotedFrom	usni.org