Active duty and Hawaii Air National Guard crew chiefs depart the Joint Base Pearl Harbor-Hickam flightline after prepping F-22 Raptors for flight Dec. 10, 2018, during exercise Sentry Aloha. This iteration of the exercise entails back-to-back training sorties with visiting fighter units from the U.S. Navy and other Air National Guard partners from nine states. It also provides participants a multi-faceted, joint venue with supporting infrastructure and personnel that incorporates current, realistic integrated training. (U.S. Air National Guard photo by Senior Airman John Linzmeier)

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Photo by: Senior Airman John Linzmeier |  VIRIN: 181212-Z-GR156-0182.JPG