A B-52H Stratofortress returning from deployment at Andersen AFB, Guam, flies over the 50th Anniversary of the Battle of Long Tan and Vietnam Remembrance Day ceremony at Canberra, Australia, Aug. 18, 2016. At the request of the Australian government, two Pacific Air Forces B-52s, which were already scheduled to fly a training mission in support of exercise Pitch Black, supported the event commemorating the US and Australia's strong alliance during the Vietnam War that continues to this day.