Checkered Flag 17-1 begins
Air Force maintainers from the 325th Maintenance Squadron inspect and wipe off the cockpit of an F-22 Raptor on the flightline at Tyndall Air Force Base, Fla., after a thunderstorm Dec. 5, 2016. The F-22 and other aircraft continued operations after the storm during Checkered Flag 17-1. (U.S. Air Force photo/Senior Airman Solomon Cook)

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Photo by: Senior Airman Solomon Cook |  VIRIN: 161205-F-FY024-939.JPG