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USAF prepares for future with upgraded B-52J bombers

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USAF prepares for future with upgraded B-52J bombers
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Simple Flying | Simple Flying

The United States Air Force's B-52 Superfortress, a long-standing symbol of military aviation, is set to undergo significant upgrades to the B-52J variant. Although initially delayed, the upgraded aircraft is expected to enter service by 2033. The B-52J will work alongside the new Northrop Grumman B-21 Raider in what is described as a high/low pairing for future missions.

A major component of the upgrade involves replacing the current engines with Rolls-Royce F130 engines. The Air Force plans to acquire 650 of these engines for its fleet of 76 B-52Hs. These new engines are anticipated to offer 30% better fuel efficiency and reduce the need for engine overhauls. On December 12, 2024, Rolls-Royce announced it had "held a successful F130 engine Critical Design Review (CDR), clearing the way for final development, test, and production efforts."

In addition to new engines, the B-52J will be equipped with an active electronically scanned array (AESA) radar system similar to that used on Navy F/A-18 Super Hornet fighter jets. This upgrade aims to enhance capabilities in search, ground mapping, and electronic warfare. Other improvements include updated communications and navigation equipment.

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Congress has also directed attention towards improving crew comfort during long missions. The House Armed Services Committee noted that "crew comfort on longer missions is important for crew fatigue" and has requested a briefing from the Secretary of the Air Force by February 1, 2025.

The design of the B-52 dates back to shortly after World War II, with its first flight in 1952 and entry into service in 1955. Despite its age and original mission limitations—such as vulnerability during direct bombing runs—the aircraft remains relevant through adaptations like launching stand-off missions with long-range ordinance.

General Thomas A. Bussiere recently discussed future bomber fleet compositions at an event hosted by AFA's Mitchell Institute for Aerospace Studies. He indicated that while some older models like the B-1 Lancer and B-2 Spirit may retire soon after the introduction of the B-21 Raider, there are plans to maintain a total bomber fleet of around 220 aircraft. This includes retaining approximately 75 upgraded B-52Js alongside potentially more than 100 new B-21 Raiders.

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