About: http://webisa.webdatacommons.org/44176099

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	Several proposed or planned planetary science missions to Mars and other Solar System bodies over the next decade require subsurface access by drilling.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov