NNSA: New GBSD Warhead Plan Costs Slightly More Than Refurbished Option

The NNSA canceled its previous plan to refurbish a warhead for use on USAF’s future land-based intercontinental ballistic missiles and on the Navy’s submarine-launched ballistic missiles, according to a December 2018 NNSA report to Congress.

Nuclear Notebook: United States nuclear forces, 2020 - Bulletin of the Atomic Scientists

First Trump Budget Continues Unnecessary and Unsustainable Nuclear Weapons Plans

U.S. Nuclear Modernization Programs

Full article: United States nuclear forces, 2016

July/August 2017 Arms Control Association

Nuclear Notebook: United States nuclear weapons, 2021 - Bulletin of the Atomic Scientists

National Nuclear Security Administration (NNSA) Archives - Breaking Defense

NNSA Nuclear Plan Shows More Weapons, Increasing Costs, Less Transparency - Federation of American Scientists

National Nuclear Security Administration (NNSA) Archives - Breaking Defense

Nuclear Notebook: United States nuclear weapons, 2021 - Bulletin of the Atomic Scientists