Maj. Mike Dirnberger and Capt. Andy Jaskie, Wisconsin Air National Guard KC-135 Stratotanker pilots, fly over the Pacific during an air refueling mission during Sentry Aloha 19-1, Dec. 13, 2018. Sentry Aloha is an ongoing series of exercises hosted by the Hawaii Air National Guard’s 154th Wing enabling tailored, cost effective and realistic combat training for the Air National Guard, U.S. Air Force, and other Department of Defense services. (U.S. Air Force photo by Tech. Sgt. Heather Redman)