Members of the Darth Vader hot air balloon crew dressed as "Star Wars" storm troopers take their turns in the F-15 cockpit simulator at the NASA exhibit.
Members of the Darth Vader hot air balloon crew dressed as “Star Wars” storm troopers take their turns in the F-15 cockpit simulator at the NASA exhibit at the 2011 Albuquerque International Balloon Fiesta.October 3, 2011
NASA / Jay Levine