One of two Trident II D5 missiles tested June 2 by the U.S. Navy. Photo: U.S. Navy
Hans M. Kristensen and Matt Korda, Bulletin of the Atomic Scientists: United States nuclear forces, 2019
The Nuclear Notebook is researched and written by Hans M. Kristensen, director of the Nuclear Information Project with the Federation of American Scientists, and Matt Korda, a research associate with the project. The Nuclear Notebook column has been published in the Bulletin of the Atomic Scientists since 1987. This issue’s column examines the US nuclear arsenal, which remained roughly unchanged in the last year, with the Department of Defense maintaining an estimated stockpile of nearly 3,800 warheads. Most of these warheads are not deployed; approximately 2,050 warheads are held in reserve and approximately 2,385 retired warheads are awaiting dismantlement, giving a total inventory of approximately 6,185 nuclear warheads. Of the approximately 1,750 warheads that are deployed, roughly 1,300 are on ballistic missiles, 300 at strategic bomber bases in the United States, with another 150 tactical bombs deployed at European bases.
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Update: True Size of US Strategic Arsenal Uncovered Despite Pentagon Secrecy (Sputnik)
WNU Editor: The stockpile remains roughly unchanged since last year, but worries of a nuclear armed race are increasing .... The US has started a “new nuclear arms race” since Trump pulled out of the INF treaty (Quartz).