USAF breaks ground on Sentinel prototype silo as IOC slips to early 2030s; warhead count remains unclear amid Chinese buildup
On Feb. 13 the U.S. Air Force and Northrop Grumman broke ground on a prototype silo for the LGM-35A Sentinel, even as the program’s initial operational capability has slipped to the early 2030s and key details—including warhead count and acquisition tradeoffs—remain unresolved amid China’s rapid nuclear modernization.