The U.S. Air Force’s LGM-35A Sentinel program is the weapons replacement for the Minuteman III intercontinental ballistic missile system (ICBM).
National Security Space
National Security Space
Protecting the Nation and Preserving Freedom
Defining Possible in National Security Space
Northrop Grumman’s mission expertise in strategic deterrence, secure communications, missile warning and missile defense, space security and advanced technologies enable our national security space customers to carry out their most vital missions – protecting the nation, the warfighter and preserving freedom, now and for decades to come.
Global Security Space


Defense Support Program (DSP)
For the last 50 years Northrop Grumman has been at the backbone of our nation’s space-based missile warning systems.

Missile Defense
We’re defining what is possible across multiple domains to ensure reliable, effective protection against traditional and emerging hypersonic threats.

Protected SatCom
For decades, Northrop Grumman has been the premiere provider of jam-resistant payloads to ensure protected communications for essential communications.

Space Mobility and Logistics
Applying technologies developed for our Mission Extension Vehicle are paving the way for in-orbit servicing, life extension and robotic assembly.

Space Launch
We have a proud heritage of providing responsive and reliable space launch for small and medium-class military payloads.

Propulsion Systems
Northrop Grumman has been providing reliable propulsion systems for civil and military applications since the very beginning of powered spaceflight.

Propulsion Products and Services
A complete range of propulsion products and services to develop and produce high quality flight hardware.