Operation Noble Eagle—the long-running homeland air defense mission that has consumed some 43,000 sorties since the 9/11 terrorist attacks—is a stateside endeavor but that doesn’t mean it can sustain itself without deployments. NORAD reports that several thousand airmen deploy each year to support ONE.
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.