A B-52H Stratofortress flies over Barksdale Air Force Base, La., Oct. 15. The B-52 is a long-range, heavy, strategic bomber that has been operated by the United States Air Force since the 1950s. The bomber can carry up to 70,000 pounds of munitions and is capable of flying at high subsonic speeds at altitudes up to 50,000 feet. (U.S. Air Force photo/Senior Airman Kristin High)(RELEASED)