Air Force Tries Out New Pylon on B-1, Transforming Bomber into ‘Hypersonic Testbed’ Aug. 6, 2024 | By John A. Tirpak The Air Force has started using a new Boeing pylon—the Load Adaptable Modular (LAM) pylon—which should help streamline testing new weapons, particularly hypersonic weapons, as other kinds of testing consume B-52 test assets.