Nuclear weapons of the United States

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2025	Scheduled introduction of B-21 Raider long-range bomber into service.
2025	Planned retirement of B83 nuclear bomb after completion of B61 Life Extension Program.
2025	United States estimated to hold 1,770 deployed warheads, 1,930 in reserve, and 1,477 retired and awaiting dismantlement, totaling 5,177 nuclear warheads.
2024	National Security Council prepares an updated nuclear strategy.
August 29 2024	India commissioned its second ballistic missile submarine, continuing the development of its naval nuclear capabilities.
May 3 2024	Nuclear Notebook from the Bulletin of the Atomic Scientists published, detailing the US nuclear arsenal with 1,770 deployed weapons, 1,938 in reserve, totaling 3,708 in the stockpile, and 1,336 retired weapons.
2023	China begins ensuring that at least one nuclear-armed ballistic missile submarine is always on standby for deterrence.
June 14 2023	New START Treaty data reported, showing the United States has 665 deployed ICBMs, SLBMs, and heavy bombers, with 1,389 nuclear warheads on these platforms.
March 2021	Over US$2.5 billion in compensation had been paid to U.S. citizens exposed to nuclear hazards from the U.S. nuclear weapons program.
2020	China plans to deploy up to eight Jin-class (Type 094) submarines by the end of the year.
2019	The United States withdrew from the arms control treaty with Russia, which had previously forbidden medium-range ballistic missiles and ground-launched cruise missiles.
2019	The United States and Russia possessed a comparable number of nuclear warheads, together holding more than 90% of the world's nuclear weapons stockpile.
June 2019	Pentagon's Doctrine for Joint Nuclear Operations emphasized integration of nuclear weapons with conventional and special operations forces.
2018	Russian President Vladimir Putin revealed the first operational nuclear-powered strategic cruise missile, the SSC-X-9 'Skyfall' (9М730 Буревестник), which is slated to enter service in the 2020s.
2018	Completed downsizing of nuclear arsenal, reducing to 800 delivery vehicles and 1,550 warheads as per plan.
2018	Completed reduction of submarine-based missiles from 24 to 20 per submarine, in line with New START Treaty requirements.
2018	Hawaii experienced a false missile alert, highlighting the ongoing concerns about potential accidental nuclear warnings.
September 2018	South Korean President Moon Jae-in and North Korean leader Kim Jong Un signed a joint declaration at the inter-Korean summit, with North Korea agreeing to dismantle its nuclear complex under international expert supervision.
November 2017	India tested the BrahMos missile from the Sukhoi-30 MKI platform, expanding its nuclear strike capabilities.
August 2016	India completed its nuclear triad by commissioning INS Arihant, its first indigenously built nuclear-powered ballistic missile submarine, armed with 12 K-15 missiles.
2015	Final successful JL-2 SLBM launch test. The United States expected the Type 094 submarine to conduct its first deterrent patrol with active JL-2 missiles.
February 2015	U.S. Air Force deactivates all Peacekeeper missiles, filling former missile silos with gravel to comply with treaty requirements.
February 2015	President Francois Hollande declared France possessed 54 ASMP-A missiles.
2014	After tensions from the Russo-Ukrainian War, the Obama administration announced plans to renovate US nuclear weapons facilities with a budgeted spend of about a trillion dollars over 30 years.
2012	Continued successful JL-2 SLBM launch tests by China.
April 2012	India successfully began testing the Agni-V Intercontinental Ballistic Missile (ICBM), which entered service later.
2010	Nuclear Posture Review under Obama Administration confirms continued commitment to nuclear triad, with New START Treaty implemented.
2010	President Barack Obama began funding and development of the B61-12, a smart guided low-yield nuclear bomb.
September 2010	France added a new submarine to its fleet, equipped with newer model SLBMs.
April 2010	Obama issued a Nuclear Posture Review declaring the US would not use nuclear weapons against non-nuclear, NPT-compliant states and renouncing development of new nuclear weapons.
April 8 2010	President Barack Obama and Russian President Dmitry Medvedev signed the new START treaty to reduce active nuclear weapons from 2,200 to 1,550.

This contents of the box above is based on material from the Wikipedia articles Nuclear triad, Nuclear weapons of the United States & Nuclear weapons delivery, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.

Nuclear weapons of the United States

See Also

Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization

United States Department of Defense

Nuclear weapons testing