About: http://webisa.webdatacommons.org/311073694

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 add-on module would provide the additional subsystems required for free-flying such as solar array power, reaction controls, and a communications subsystem.
http://www.w3.org/ns/prov#wasQuotedFrom	astronautix.com