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b52 bomber B-52 , U.S. long-range heavy bomber , designed by the Boeing Company in 1948, first flown in 1952, and first delivered for military service in 1955. Though originally intended to be an atomic-bomb carrier capable of reaching the Soviet Union , it has proved adaptable to a number of missions, and dozens of B-52s remained in service in the 21st century.. b52 Dù tuổi đời đã cao, B-52 vẫn là biểu tượng sức mạnh chiến lược của Mỹ, vừa mang tính lịch sử vừa mang giá trị quân sự. Bạn có muốn tôi tiếp tục mở rộng thành phiên bản giải thích sâu hơn với hình ảnh minh họa về B-52 không? b52 dang nhap The Boeing B-52 primarily provides the United States with immediate nuclear and conventional global strike capability. The B-52 is the most combat capable bomber in the U.S. inventory. Due to its high mission-capable rate, large payload, long range, persistence and ability to employ both nuclear and conventional precision standoff weapons, the B-52 continues to be a critical contributor to the U.S. National Security Strategy.