Sentinel – The Ground Based Strategic Deterrent

Sentinel – The Ground Based Strategic Deterrent

Providing a system that is capable, safe, secure and reliable – and ready at a moment’s notice.

GBSD launch silo

Air Force Officially Designates GBSD as LGM-35A Sentinel

See Air Force News Release About Sentinel

(U.S. Air Force illustration)

Sentinel and Northrop Grumman’s Leadership

Through our trusted partnership with the U.S. Air Force, Northrop Grumman’s LGM-35A Sentinel nationwide team is committed to providing a system that is capable, safe, secure and reliable – and ready at a moment’s notice. The company is creating cutting-edge innovations in digital engineering to design and produce this modern strategic deterrent capability for the U.S. Air Force. Together, we are defining what’s possible for providing an enduring weapon system that remains on cost and on schedule.

See current Sentinel career opportunities Digital Transformation
Hudson Institute report touts the advantages of GBSD program

21st Century Deterrence

The U.S. Air Force’s LGM-35A Sentinel is the weapon system replacement for the aging LGM-30 Minuteman III intercontinental ballistic missile system (ICBM). Sentinel represents the modernization of the ground-based leg of the nuclear triad.

On Sept, 08, 2020 the U.S. Air Force awarded Northrop Grumman the GBSD (now Sentinel) Engineering and Manufacturing Development contract.

Learn more about Sentinel

Supporting Voices

Read all Supporting Voices here >>

General Anthony J. Cotton, Commander Air Force GSC

“Since 2017, Sentinel has consistently met all acquisition milestones as we approach the first flight test in the next 16 to 18 months.”

Admiral Charles Richard, Commander, USSTRATCOM

“If strategic or nuclear deterrence fails, no other plan and no other capability in the Department of Defense is going to work as designed.”

The Biden Administration

“The Budget maintains a strong, credible nuclear deterrent…for the security of the Nation and U.S. allies and partners.”

Air Force Global Strike Command logo

AFGSC commander addresses SASC subcommittee

By Carla Pampe

Missile launch

Biden Security Priorities Confirm Critical Deterrence Needs

By Ben Nelson

soldier standing near missile

AEDC supporting Ground Based Strategic Deterrent program across the complex

By Jill Pickett

Infographic map of the United States showing locations of team members working on the GBSD contract 2

Sentinel Nationwide Team

The Northrop Grumman nationwide team is developing innovative concepts, technologies, and solutions necessary to meet the Air Force schedule, while delivering a safe, secure, reliable, and effective Sentinel system. Our team has invested significantly in the people, facilities and tools needed to be ready, and is committed to deliver a Sentinel solution – on schedule – that meets the nation’s needs.

The Sentinel nationwide team includes Aerojet Rocketdyne, Bechtel, CAE, Clark Construction, Collins Aerospace, General Dynamics, HDT, Honeywell, Kratos, Lockheed Martin, and Textron Systems along with hundreds of other small, medium and large businesses across the United States with extensive ICBM missile systems expertise.

Northrop Grumman Sentinel Nationwide Team Sentinel Teammate Roles and Responsibilities

Studies and Reports

The U.S. Air Force’s Sentinel program will modernize the ground-based leg of the nuclear triad. Read all key studies and reports about this critical weapon system here >>

missile with flags as shadows

Long Shadows: Deterrence in a Multipolar Nuclear Age

May 2022 – Center for a New American Security

The Heritage Foundation logo

The Nuclear Posture Review Must Account for a Growing Chinese Nuclear Threat

January 2022 – The Heritage Foundation

missile trail in space

Modernizing the U.S. Nuclear Triad: The Rationale for a New Intercontinental Ballistic Missile

January 2022 – RAND

African American Male working on computer in technology office space

Sentinel Careers

Our Sentinel program is hiring cleared professionals to join our highly skilled team working to mature designs for Sentinel, the nation’s next Intercontinental Ballistic Missile (ICBM) system. As part of the Northrop Grumman Sentinel team, your specialized skills will allow us to deliver on a national security priority to develop a modernized ICBM for the U.S. Air Force.

Northrop Grumman has secure Sentinel career opportunities across the nation that can define your career with one of the biggest projects ever. Explore career opportunities at Northrop Grumman where you will push the boundaries of possible and fundamentally transform how we defend our nation.

Sentinel Careers Rising to the Occasion It's More Than an Internship
missile launch through clouds

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