Air Force F-15 Eagles from the 173rd Fighter Wing out of Kingsley Field in Klamath Falls, Ore., fly in formation over the Pacific Ocean during the Sentry Aloha exercise at Joint Base Pearl Harbor-Hickam, Hawaii, Aug. 27, 2019. Aircraft from around the world took part in Joint Exercise Sentry Aloha, a three-week coalition exercise. (U.S. Air National Guard Photo by Airman First Class Adam Smith)