A Hawaii Air National Guard F-22 Raptor, from the 199th Fighter Squadron, flies away from a Wisconsin Air National Guard KC-135 Stratotanker Dec. 11, 2018, after receiving an air-to-air refueling during fighter-exercise Sentry Aloha near the Hawaiian Islands. Sentry Aloha provides tailored, cost effective and realistic combat training for U.S. Air Force, Air National Guard […]