U.S. Air Force members from the 96th Expeditionary Aircraft Maintenance Unit shake a tow bar to maneuver it into place on a B-52 Stratofortress bomber during exercise Lightning Focus at Royal Australian Air Force (RAAF) Base Darwin, Australia, Nov. 29, 2018. Two bombers along with aircrew and support personnel deployed to RAAF Darwin to enable the U.S. to train and increase interoperability with Australian counterparts in support of U.S. Indo-Pacific Command’s Enhanced Air Cooperation (EAC) program. The EAC comprises a range of air exercises and training activities designed to enhance regional cooperation, coordination and interoperability between Australian and U.S. service members. (U.S. Air Force photo by Senior Airman Christopher Quail)