
The Department of Energy made post Cold War-history in its 2021 budget request, which seeks funds to develop a new sea-based nuclear warhead designated Mk7 W93 — a new warhead designed to be rapidly upgradeable, and serviced outside of the civilian agency’s Pantex Plant in Amarillo, Texas. It will be the first new warhead design in decades: the only one since the Cold War that is not a refurbished model of a weapon already in the field. The W93 was…