News DeskLast Updated: 04 March 2026, 09:28 AM ISTShare The US Air Force currently operates 76 B-52s, all of which have undergone significant avionics and weapons upgrades. The aircraft is expected to remain in service into the 2050s B-52 StratofortressNearly seven decades after it first entered service, the B-52 Stratofortress is once again at the centre of America’s war machine, this time in the escalating conflict with Iran under Operation Epic Fury. Designed in the early years of the Cold War to deliver nuclear weapons against the Soviet Union, the eight-engine bomber has evolved into one of the most versatile and enduring platforms in modern aerial warfare.