Northrop Grumman and the US Air Force have conducted a full-scale qualification static fire test of the Sentinel intercontinental ballistic missile's (ICBM) stage-one solid fuel rocket motor. This ...

At this point, trying to fix the Sentinel system may simply be a case of throwing good money after bad. America’s nuclear weapons arsenal is the last line of defense between the United States and a ...

Northrop Grumman was awarded a $13.3 billion contract for the engineering, development and manufacturing of the next-gen Sentinel ICBM in 2020. However, the program has not been without its hiccups.