A Royal Australian Air Force E-7A Wedgetail taxis down the Joint Base Pearl Harbor-Hickam flight line Aug. 28, 2019. The command and control aircraft traveled to Hawaii to participate in exercise Sentry Aloha 19-2 and provide airborne early warning support to fourth and fifth generation fighters airframes from the U.S. Air National Guard. The Wedgetails is equipped with a high powered radar, used to monitor the battle space and provide friendly forces with an advantage over their opponents. Sentry Aloha is hosted on a routine basis by the Hawaii Air National Guard’s 154th Wing. (U.S. Air National Guard photo by Master Sgt. C.T. Michael)