U.S. Air Force F-15 Eagles from the California Air National Guard’s 144th Fighter Wing prepare for the morning sortie March 30, 2017 during Sentry Aloha 17-03. Sentry Aloha is an Air Guard led exercise that provides a current, realistic, and integrated training environment to the U.S. Air Force and joint partners. (Air National Guard photo by Senior Master Sgt. Chris Drudge)