U.S. Air Force Airman 1st Class Moises Garrido, 19th Maintenance Squadron aerospace ground equipment apprentice, works on a self-generating nitrogen servicing cart at Little Rock Air Force Base, Arkansas, Feb. 6, 2019. Garrido wanted to serve his country since he was a kid and finally seized the opportunity at the age of 37. (U.S. Air Force photo by Airman 1st Class Aaron Irvin)

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Photo by: Airman 1st Class Aaron Irvin |  VIRIN: 190206-F-ZA639-1074.JPG