Assertion: discovery | /r/CapableOf | fly mission
Facets:
value: after the challenger and columbia disasters
type: TEMPORAL
value: in 1988
type: TEMPORAL
Source sentences:
text: Discovery flew all three "return to flight" missions after the Challenger and Columbia disasters: STS-26 in 1988, STS-114 in 2005, and STS-121 in 2006.