The LGM-35A Sentinel program, intended to modernize the land-based leg of the U.S. nuclear triad, is a “nightmare” of mismanagement and cost overruns. -The project, which replaces the 1970s-era ...

Enormous cost overruns have raised questions about how or if to go forward with the Sentinel, a new US intercontinental ballistic missile. The authors see five potential paths that might reduce costs.

The $96 billion Sentinel overhaul is so ambitious it has raised questions as to whether the Air Force can get it all done at once.

Defense Secretary Lloyd Austin’s office on Monday certified the Sentinel nuclear missile program can continue after determining the effort is a major national security priority with no ...

The first test flight for the Sentinel nuclear missile is delayed until 2026, a two-year setback for the next-generation intercontinental ballistic missile (ICBM) and the latest sign of trouble ...

Those underground capsules are about to be demolished and the missile silos they control will be completely overhauled. A new nuclear missile is coming, a gigantic ICBM called the Sentinel.

Defense Secretary Lloyd Austin certifies Sentinel nuclear missile program as a major national security priority, despite cost increases.

Cost projections for the Air Force’s new Sentinel intercontinental ballistic missile have grown to about $140.9 billion, or 81% more than originally forecasted four years ago.

WASHINGTON — One of the U.S. Air Force’s nuclear missile programs is “struggling” and could see costs rise, the service’s secretary said Monday. Frank Kendall, speaking at an online ...

The Sentinel missiles will be lighter than the Minuteman III missiles, which use steel casings to store the missile propellant, the Congressional report added.

Northrop Grumman has successfully completed the first full-scale static test fire of the stage-one solid-rocket motor for the LGM-35A Sentinel that will replace the US Air Force's Minuteman III ...

The launch was part of a test of Lockheed Martin’s new Mk21A reentry vehicle, which is designed to deploy the W87-1 warhead for the Air Force’s future Sentinel intercontinental ballistic ...