AWWP

The U.S. Air Force published a request for information on May 20, seeking industry proposals to design and build a new external weapons pylon for the B-52 Stratofortress bomber capable of carrying munitions up to four times heavier than anything the current hardware can handle. The notice, issued by the Air Force Life Cycle Management Center's B-52 Branch, calls the effort the Advanced Wing Weapons Pylon program and sets an initial production target of 20 to 24 pylons, with at least 12 delivered in the first year of production and an anticipated long-term requirement for approximately 130 pylons total. The problem the Air Force is trying to solve has been building for decades. The B-52's Improved Common Pylon, the external mounting hardware bolted to each wing that allows the bomber to carry weapons outside its internal bomb bay, was designed in 1959 and has been in service since the 1960s. When it was introduced, the Air Force acknowledges in the RFI, "there wasn't a requirement, nor did anyone foresee a need to carry weapons heavier than 5,000 lbs." The pylon received a significant upgrade in the late 1990s to incorporate modern digital weapons interface technology, allowing it to communicate with smart munitions, and it has by the Air Force's own assessment "performed exceptionally well." But the limits of a 1950s-era structural design are now running directly into the reality of 21st-century weapons, several of which weigh far more than 5,000 pounds. The new pylon must carry a single 20,000-pound-class weapon, four times the current limit, while the combined weight of the pylon and whatever it's carrying cannot exceed the wing hardpoint's 28,000-pound structural limit. The range of configurations the Air Force wants the new pylon to handle is striking in its scope. At the lighter end, the pylon must carry eight munitions in the 2,600-pound class or six in the 3,400-pound class. Moving up, it must handle four 5,000-pound weapons, three in the 7,500-pound class, two at 11,000 pounds, or a single weapon at 20,000 pounds. That last configuration is large enough to accommodate the GBU-43/B Massive Ordnance Air Blast bomb, commonly known as the MOAB or "Mother of All Bombs," a 20,000-pound weapon that generates a massive overpressure wave lethal to troops and vehicles in the open and was first used in combat over Afghanistan in April 2017. The RFI also requires the new pylon to be dual-certified for both conventional and nuclear weapons, giving the Air Force flexibility to use the same hardware across the full spectrum of the B-52's missions. The B-52H Stratofortress is a bomber whose longevity in American service has no parallel in aviation history. The last B-52H was delivered to the Air Force in 1962, making the entire current fleet more than 60 years old. Yet the Air Force expects the aircraft to remain operational beyond 2050, with a sustained modernization investment that has included new engines, upgraded communications, radar improvements, and expanded internal weapons capacity. Boeing recently secured a $2 billion contract to re-engine the B-52 fleet with new Rolls-Royce F130 turbofans to replace the TF33 engines that have powered the aircraft since the 1960s. The AWWP program fits directly into that broader modernization logic: keeping the airframe viable means continuously upgrading what it can carry and how. The B-1B Lancer recently received a comparable upgrade in the form of Load Adaptable Modular pylons to support heavy and hypersonic weapons, awarded to Boeing, which suggests the Air Force has an active appetite across its bomber fleet for this kind of external carriage modernization. The B-52, carrying a far larger total weapons load than the B-1B, represents the bigger prize, and the 130-pylon long-term requirement at roughly two pylons per aircraft across the active fleet indicates this is a program with real scale behind it.

AWWP

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AWWP

B-52 getting a new pylon to handle four times heavier bombs

TRENDING NOW

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About The Defence Blog