Tokyo Metropolitan Police and Japan Coast Guardsmen inspect a UH-1N assigned to the 459th Airlift Squadron, during the Mid-Air Collision Avoidance conference, Apr. 7, 2021, at Yokota Air Base, Japan. The conference highlighted the importance of safety, as Tokyo has one of the most congested airspaces in the world. (U.S. Air Force photo by Staff Sgt. Juan Torres)