BLUF
The LGM‑35A Sentinel ICBM program is advancing toward a 2026 Milestone B prototype decision, with testing, infrastructure upgrades, and silo construction accelerating efforts to replace Minuteman III and modernize America’s nuclear deterrent.Learning Outcomes
- Assess the key milestones and technical progress shaping the Sentinel program’s path toward prototype approval and deployment.
- Evaluate how Sentinel enhances U.S. nuclear triad capabilities through new infrastructure, digital architecture, and updated warhead integration.
- Distinguish the organizational, logistical, and construction efforts required to transition from Minuteman III to the Sentinel system.
