Astro-1 Flight Crew
	Shuttle Commander:	Vance D. Brand
	Shuttle Pilot:	Guy S. Gardner
	Mission Specialist 1:	Jeffrey A. Hoffman
	Mission Specialist 2:	John M. Lounge
	Mission Specialist 3:	Robert A. Parker
	Payload Specialist 1:	Samuel T. Durrance
	Payload Specialist 2:	Ronald A. Parise
	Alternate Payload Specialist:	Ken Nordsieck

The crew is the orbital extension of the Astro team and helps ensure the maximum scientific return for the mission. The NASA astronauts provide a range of special knowledge, from the Shuttle and its systems to astronomy. Two crew members are not career astronauts but are astronomers chosen by the Astro-1 principal investigators. Known as payload specialists, they provide expertise on the instruments and key observations.

	Astro-2 Flight Crew
	Shuttle Commander:	Stephen S. Oswald
	Shuttle Pilot:	Lt. Col. William G. Gregory(USAF)
	Flight Engineer:	Lt. Cmdr. Wendy B. Lawrence(USN)
	Payload Commander:	Dr. Tamara Jernigan
	Mission Specialist:	Dr. John M. Grunsfeld
	Payload Specialist:	Dr. Samuel T. Durrance
	Payload Specialist:	Dr. Ronald A. Parise
	Alternate Payload Specialist:	Scott D. Vangen

The crew is the orbital extension of the Astro team and helps ensure the maximum scientific return for the mission. The NASA astronauts provide a range of special knowledge, from the Shuttle and its systems to astronomy. Two crew members are not career astronauts but are astronomers chosen by the Astro-2 principal investigators. Known as payload specialists, they provide expertise on the instruments and key observations.