About: http://webisa.webdatacommons.org/52190434

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	The Reagan administration worked on developing the weapon in the 1980s, and other nations including France and Russia are believed to have possessed them.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org