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Suggest a Feature →Annual BASOPS for Ellsworth AFB, South Dakota — currently transitioning from B-1B Lancer to the new B-21 Raider stealth bomber. Ellsworth is the first operational B-21 base. MILCON investment has been significant as the base prepares infrastructure for next-generation stealth bomber operations. O&M supports approximately 11,800 personnel and unique stealth aircraft maintenance facilities.
FY2025 MILCON for Ellsworth AFB. B-21 Raider main operating base infrastructure — low-observable maintenance facility ($85M) and secure aircraft storage ($60M). Ellsworth is receiving the highest MILCON investment of any Air Force base as the primary B-21 operating location.
Base-level spending data from Military Construction (MILCON) appropriation requests, installation status reports, and Army/Navy/Air Force installation management budget justification documents.