Assertion: space shuttle's launch | /r/AtLocation | 12 april
Facets:
value: after the first crewed space flight
type: TEMPORAL
Source sentences:
text: The first launch of the Space Shuttle occurred on 12 April 1981, exactly 20 years after the first crewed space flight, when the orbiter Columbia, with two crew members, astronauts John W. Young, commander, and Robert L. Crippen, pilot, lifted off from Pad A, Launch Complex 39, at the Kennedy Space Center.