![](http://www.alamy.com/thumbs/6/FD4BA648-E03E-4E45-B3DA-C090B63DBD2B/D466TG.jpg)
Green Flight Challenge (201109270011HQ)
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