U.S. Air Force Capt. Nate Ligon, 20th Expeditionary Bomb Squadron weapons system officer, talks with Royal Australian Air Force (RAAF) members assigned to 452nd Squadron about the B-52H Stratofortress at RAAF Base Darwin, Australia, April 6, 2018. Two B-52H crews and support teams visited the Australia Northern Territory’s Darwin as part of the Enhanced Air Cooperation Initiative under the Force Posture Agreement between the U.S. and Australia. (U.S. Air Force photo by Staff Sgt. Alexander W. Riedel)