Defense Budgets & Spending News

AeroTimeClement Charpentreau

Northrop Grumman and USAF accelerate Sentinel ICBM silo prototyping after Promontory modular-silo test

Northrop Grumman and the U.S. Air Force have accelerated prototyping of the LGM-35A Sentinel launch-silo tube with a Promontory, Utah proof-of-concept test and broke ground on a modular prototype silo. Trials with Bechtel support aim to validate scalable construction as the program pushes toward initial capability in the early 2030s.

2026-03-27T07:35:05.355632-07:00

News Timeline

2026-03-27T08:15:27.666174-07:00
2026-03-27T07:35:05.355632-07:00
2026-03-26T11:45:40.652764-07:00
2026-03-26T07:31:30.062613-07:00
2026-03-25T10:24:45.703862-07:00
❗️
2026-03-25T05:10:27.272370-07:00
2026-03-24T13:14:35.798695-07:00
2026-03-24T12:51:25.695326-07:00

Create a free account to see more recent clusters.

Sign up now for more