A new nuclear missile is coming, a gigantic ICBM called the Sentinel. It marks the largest cultural shift in 60 years in the land leg of the Air Force’s nuclear missile mission.

A gigantic new ICBM will take US nuclear missiles out of the Cold War-era but add 21st-century risks::A new nuclear missile is coming, a gigantic ICBM called the Sentinel. It marks the largest cultural shift in 60 years in the land leg of the Air Force’s nuclear missile mission.