An F-16CM Fighting Falcon pilot assigned to the 77th Fighter Squadron displays the Gamblers hand signal — a homage to the squadron’s motto “Double Down,” — before taking off from the Shaw Air Force Base, S.C., flightline Sept. 8, 2017. The pilot and aircraft were among several to depart the base in preparation for the arrival of Hurricane Irma, which is currently a category 4 approaching the southern tip of Florida headed north. (U.S. Air Force photo by Airman 1st Class Destinee Sweeney)

- Image ID: MM57W0

An F-16CM Fighting Falcon pilot assigned to the 77th Fighter Squadron displays the Gamblers hand signal — a homage to the squadron’s motto “Double Down,” — before taking off from the Shaw Air Force Base, S.C., flightline Sept. 8, 2017. The pilot and aircraft were among several to depart the base in preparation for the arrival of Hurricane Irma, which is currently a category 4 approaching the southern tip of Florida headed north. (U.S. Air Force photo by Airman 1st Class Destinee Sweeney)

AB Forces News Collection / Alamy Stock Photo

Image ID: MM57W0

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