About: http://webisa.webdatacommons.org/110620561

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	When the problem arose with the SPS engine in lunar orbit on Apollo 16, one of the justifications for going ahead with the landing was a series of tests conducted on your Apollo 9 mission.
http://www.w3.org/ns/prov#wasQuotedFrom	collectspace.com