Assertion: space shuttle's retirement | /r/CapableOf | return to mars
Facets:
value: by one day
type: TEMPORAL
value: by 2020
type: TEMPORAL
Source sentences:
text: Following the Space Shuttle Columbia disaster, in early 2003 President George W. Bush, announced his Vision for Space Exploration which called for the completion of the American portion of the International Space Station by 2010 (due to delays this would not happen until 2011), the retirement of the Space Shuttle fleet following its completion, to return to the moon by 2020 and one day to Mars.