According to Air Combat Command, a leak in the hydraulic fluid system and sparks from a faulty brake caused the fire that damaged a B-1B landing at Andersen AFB, Guam, on Sept. 15, 2005. An accident investigation report estimates the cost of the damage at more than $32 million, plus another $184,000 to repair the runway. The report notes that movement of one and failure of a second bushing allowed the brake to press into the wheel and gouge the rim. That action precipitated a critical pin to break, producing the hydraulic leak.
The rate of building B-21 bombers would speed up if the fiscal 2026 defense budget passes. But it remains unclear how much capacity would be added, and whether the Air Force would simply build the bombers faster, or buy more.