The US Air Force will enhance B-1B bombers by adding external Load Adaptable Modular (LAM) pylons to fire hypersonic missiles.
The US Air Force is taking a significant step to improve the effectiveness of its B-1B Lancer bombers, also known as The Bone. They are starting to buy new external Load Adaptable Modular pylons.These pylons will allow the bombers to carry hypersonic weapons and other advanced standoff munitions.
This move aims to fill gaps in capabilities while getting ready for the new B-21 Raider. It also aims to improve the B-1’s ability to strike from a distance in tough environments, especially in the Indo-Pacific region.B-1B bombers’ new pylonsThe Fiscal Year 2026 budget proposal includes a “new start” initiative that requests over $50 million to support the External Heavy-Stores Pylon program.According to the Air Force’s request, the effort builds on the prior Hypersonic Integration Program, which had already proven the B-1’s ability to carry and release a 5,000-pound test shape from a prototype LAM pylon.Originally designed for nuclear cruise missile carriage, the B-1’s six unused external hardpoints will now be repurposed to host the LAMs. Per Boeing’s new release, each pylon can carry either two 2,000-pound-class weapons or a single weapon exceeding 5,000 pounds, including prospective hypersonic missiles like the AGM-183A Air-Launched Rapid Response Weapon . According to Boeing officials, a B-1 could see a 50% increase in payload with all six pylons fitted.“This initiative saved over two years of development time, speeding increased combat capability to the flight line,” said Troy Dawson, VP of Bombers Development at Boeing. “It ensures the B-1 remains central to America’s bomber fleet for years.”The B-1 is currently the only platform certified to employ the AGM-158C Long-Range Anti-Ship Missile , and the Air Force is seeking to integrate the longer-range AGM-158C-3 variant. LRASM and the JASSM form the cornerstone of US strike capability against high-value targets from standoff distances. The B-1 can internally carry 24 of these cruise missiles; with LAM pylons, that capacity could rise by 12 more munitions, potentially raising the B-1’s cruise missile payload to 36 weapons.This increased firepower is vital for Pacific operations where aircraft must strike naval and land targets across vast distances. Air Force planning documents cite the ability to deliver “volume of fires from standoff ranges,” a requirement born of the anticipated demands of any future conflict with China.Hypersonic strike roleThough the ARRW was slated for cancellation in 2023, its inclusion in the 2026 budget indicates renewed interest. The B-1, previously a test platform for captive carry of hypersonic payloads, could be the lead operational bomber for ARRW testing and potential deployment. Simultaneously, the service continues to fund development of the air-breathing Hypersonic Attack Cruise Missile , offering future flexibility in hypersonic armament.Beyond firepower, the Air Force is also addressing survivability and connectivity. FY26 plans call for improvements to the ALE-50 towed decoy system, communications infrastructure modernization, and hybrid satellite communications for resilient data links, an essential feature in the electronic warfare-heavy Indo-Pacific environment.The B-1 bomber will take on more tasks as there are known risks to the B-21 Raider program. Senior leaders have praised the B-21 as a good example of acquiring new technology.However, Northrop Grumman has faced major financial losses due to rising costs and supply chain problems, which may delay delivery times.The B-1 bomber is being improved to ensure the US Air Force can still conduct long-range strikes if there are delays in introducing the B-21 bomber.The Air Force currently has 42 B-1B planes after losing one in 2023, but plans are in place to increase the fleet to 44. Although these bombers are old, they remain effective for carrying out heavy strike missions.The LAM pylon initiative is a technical upgrade and a force-multiplying adaptation of legacy assets to meet next-generation threats. As China continues to expand its maritime and missile forces, the enhanced B-1B offers the Air Force a critical, near-term tool to project power at range, ensuring deterrence and strike flexibility in a rapidly evolving strategic environment.
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