![](http://www.alamy.com/thumbs/6/952A3CF8-20D4-4A7A-BDCE-0B5705E55413/D466PN.jpg)
Green Flight Challenge (201109270010HQ)
Size: 1732px × 1152px
Photo credit: © NG Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: astronomy, bill, billingalls, ca, california, challenge, ecoeagle, flight, green, greenflightchallenge, ingalls, nasa, rocket, rockets, rosa, santa, santarosa, space, spacecraft, usa