Assertion: discovery | /r/HasProperty | orbiter
Facets:
value: to join the fleet
type: PURPOSE
Source sentences:
text: Discovery (OV-103) was NASA's third space shuttle orbiter to join the fleet, arriving for the first time at the Kennedy Space Center in Florida in November 1983.After checkout and processing, it was launched on Aug. 30, 1984, for its first mission, 41-D, to deploy three communications satellites.