About: http://webisa.webdatacommons.org/138505986

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 system comprises more than 70,000 facilities and pieces of equipment, including 500 airport towers.
http://www.w3.org/ns/prov#wasQuotedFrom	govexec.com