About: http://webisa.webdatacommons.org/406371451

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	By way of example only, a different number of stages could be used depending on such factors as desired mission destination, payload weight, cost considerations and carrier aircraft type and configuration.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr