Read about the latest innovations and developments around Sentinel.
Sentinel
The ground-based leg of the strategic nuclear triad.
About Sentinel
The U.S. Air Force’s LGM-35A Sentinel weapon system is a critical modernization of the ground-leg of the U.S. nuclear triad, the bedrock of U.S. national security. Sentinel supports global stability by serving as a safe, secure and credible deterrent to protect our nation and assure allies for decades to come.
Sentinel Newsroom
Air Force, Northrop Grumman achieve milestone in Sentinel ICBM modernization with stage-one solid rocket motor test
The U.S. Air Force and Northrop Grumman Corporation completed a full-scale qualification static fire test of the Sentinel intercontinental ballistic missile (ICBM) stage-one solid rocket motor March 6, 2025, at Northrop Grumman's facility in Promontory, Utah.
Sentinel Careers
We invest in people, facilities, and tools needed to deliver the Sentinel solution.
