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
Advancing Sentinel with Key Tests
Northrop Grumman completed tests of several elements of the Sentinel intercontinental ballistic missile, marking significant progress for the program in its engineering, manufacturing and development phase.
Sentinel Careers
We invest in people, facilities, and tools needed to deliver the Sentinel solution.
