A U.S. Air Force F-16C Fighting Falcon flies alongside a 909th Air Refueling Squadron KC-135R Stratotanker after receiving fuel during Northern Edge (NE19), May 16, 2019, over the Gulf of Alaska. Approximately 10,000 service members participated in exercise NE19, which enables joint forces to sharpen their skills in the unique ranges of Alaska and practice responding to crises in the Indo-Pacific region. (U.S. Air Force photo by Senior Airman Eric M. Fisher)