NASA astronaut candidate Frank Rubio in front of a T-38 trainer aircraft on Ellington Field at the Johnson Space Center June 6, 2017 in Houston, Texas. Rubio is a US Army helicopter pilot, flight surgeon, and NASA astronaut candidate of the class of 2017.

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Size: 4500px × 6000px
Photo credit: © NASA Photo / Alamy / Afripics
License: Licensed
Model Released: No

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