United States nuclear weapons, 2023

The Nuclear Notebook is researched and written by Hans M. Kristensen, director of the Information Project with Federation American Scientists, Matt Korda, a senior research associate project. column has been published in Bulletin Atomic Scientists since 1987. This issue examines status US nuclear arsenal. arsenal remained roughly unchanged last year, Department Defense maintaining an estimated stockpile approximately 3,708 warheads. Of these, only about 1,770 warheads are deployed, while 1,938 held reserve. Additionally, 1,536 retired awaiting dismantlement, giving total inventory 5,244 that 400 on land-based intercontinental ballistic missiles, 970 submarine-launched 300 at bomber bases United States, 100 tactical bombs European bases.