Military financing for installation of new external pylons on B-1 bombers, aiming for increased armament capabilities and hypersonic weapon testing.
The U.S. Air Force is making significant strides in enhancing the capabilities of the B-1B Lancer bomber, with the launch of the External Heavy-Stores Pylon program. This program, budgeted at over $50 million for Fiscal Year 2026, aims to equip the B-1B fleet with new Load Adaptable Modular (LAM) pylons, boosting its payload capacity by up to 50% [1][2][3][4][5].
The addition of these LAM pylons promises to significantly expand the B-1B’s conventional loadout capabilities, allowing it to carry larger and more diverse ordnance, particularly standoff and hypersonic missiles such as the AGM-183A [1][2]. This enhancement is seen as a strategic move, not only extending the relevance and operational utility of the B-1B into the mid-2030s and beyond, but also providing a hedge against potential delays in the B-21 Raider bomber program [1][2].
Each of the six pylons can carry two 2,000-pound weapons or one 5,000-pound weapon [4]. Boeing, the contractor for the LAM pylon, has revealed that this system could potentially allow the B-1 to carry additional weapons on external stations, thereby increasing its current weapons payload capacity [5].
The B-1B's newfound ability to carry larger and heavier weapons is particularly important in the context of the Air Force's ongoing development of at least two air-launched hypersonic missiles, including the Air-Launched Rapid Response Weapon (ARRW), which was initially shelved but is back in the 2026 budget [1].
In the near term, the B-1B will see a dramatic increase in its firepower from standoff ranges, enabling it to integrate future hypersonic weapon systems, a critical factor for maintaining strategic advantage in contested environments [1][5].
The Air Force is also working on software to tie the new pylons in with the Lancer's stores management system, ensuring seamless integration and operation [6]. The LAM system, developed under independent research and development, has saved over two years of development time [7].
The LAM system is currently undergoing testing under the 412th Test Wing at Edwards Air Force Base, Calif., with inert munitions [8]. The program's ultimate goal is to provide increased carriage capacity of standoff munitions on B-1B aircraft, enhancing their operational versatility and effectiveness [9].
[1] https://www.airforcemag.com/drone-warfare/82774/b-1b-to-get-external-pylon-for-hypersonic-missiles/ [2] https://breakingdefense.com/2021/05/air-force-budget-request-includes-b-1b-hypersonic-missile-pylon-test-bed/ [3] https://www.defensenews.com/air/2021/05/25/air-force-seeks-to-boost-b-1b-bombers-missile-payload-with-external-pylon/ [4] https://www.defensenews.com/air/2021/05/25/air-force-seeks-to-boost-b-1b-bombers-missile-payload-with-external-pylon/ [5] https://www.airforcemag.com/drone-warfare/82774/b-1b-to-get-external-pylon-for-hypersonic-missiles/ [6] https://www.airforcemag.com/drone-warfare/82774/b-1b-to-get-external-pylon-for-hypersonic-missiles/ [7] https://www.airforcemag.com/drone-warfare/82774/b-1b-to-get-external-pylon-for-hypersonic-missiles/ [8] https://www.defensenews.com/air/2021/05/25/air-force-seeks-to-boost-b-1b-bombers-missile-payload-with-external-pylon/ [9] https://breakingdefense.com/2021/05/air-force-budget-request-includes-b-1b-hypersonic-missile-pylon-test-bed/
- The Air Force's implementation of the LAM pylon system on the B-1B Lancer bomber will enable it to carry air-launched hypersonic missiles, such as the ARRW, which has been included in the 2026 budget.
- The enhancement of the B-1B's weapons payload capacity, achieved through the addition of LAM pylons and technology advancements, is viewed as a strategic measure, ensuring the bomber's relevance and operational utility into the mid-2030s, while also addressing potential delays in the B-21 Raider bomber program.
- With the newfound capability to carry heavier and larger weapons, the B-1B Air Force fleet can integrate future standoff missile systems, maintaining a strategic advantage in contested environments. The goal of the LAM pylon program is to boost the bomber's operational versatility and effectiveness by increasing its standoff munitions carriage capacity.
