An F-16 Fighting Falcon assigned to the 18th Aggressor Squadron taxis down the flightline Jan. 17, 2020, at Joint Base Pearl Harbor-Hickam, Hawaii, during exercise Sentry Aloha 20-1. The Fighting Falcon, and other combat aircraft, received in-air refueling from KC-135 Stratotankers assigned to the Wisconsin Air National Guard throughout a series of dissimilar-air-combat-training missions. Sentry Aloha is a Hawaii Air National Guard-led exercise which provides participants a multi-faceted, joint venue with supporting infrastructure and personnel. (U.S. Air National Guard photo by Senior Airman John Linzmeier)