Assertion: astronaut | /r/HasProperty | mission specialist
Facets:
Source sentences:
text: The astronaut, derived from the Greek words for “space sailor,” is the NASA commander, pilot or mission specialist whose job it is to man space exploration vehicles and launch into outer space.
text: These duties are performed by astronauts called mission specialists and may include planning the use of foods, planning crew activities relating to life in space or the mission itself, coordinating the completion of on-board experiments or payload operations.