Airman 1st Class Khalil Sadier, 20th Expeditionary Aircraft Maintenance Unit assistant dedicated crew chief , marshals a B-52H Stratofortress to its designated parking location at Royal Air Force (RAAF) Base Darwin, Australia, April 3, 2018. Two B-52H crews and support personnel from Andersen Air Force Base, Guam, supported the Enhanced Air Cooperation (EAC) exercises with RAAF and Australian Army personnel. EAC allows the militaries of both nations to continue to develop operationally resistant air force capabilities in the Pacific region through bilateral collaboration and synergistic exercises. (U.S. Air Force photo by Staff Sgt. Alexander W. Riedel)