A nuclear weapon[a] is an explosive device that derives its destructive force from nuclear reactions, either fission (fission or atomic bomb) or a combination of fission and fusion reactions (thermonuclear bomb), producing a nuclear explosion. Both bomb types release large quantities of energy from relatively small amounts of matter.

1 天前 · A Cold War nuclear missile will remain in service for a total of 94 years thanks to a US$383 million US Navy contract, with Lockheed Martin to modernize the submarine-launched Trident II missile ...

1 天前 · US Navy to develop next-gen submarine nuclear missile, to dominate seas until 2084 This missile will be deployed on Columbia-class submarines, which is an essential element of the U.S. Navy’s ...

2025年1月28日 · DEFEND THE UNITED STATES AGAINST MISSILE ATTACK: Today, President Donald J. Trump signed an Executive Order to Build the Iron Dome for America. The

Mordechai Vanunu, a former nuclear technician for Israel, confirmed the existence of a nuclear weapons program in 1986. Unconfirmed rumors have hinted at tactical nuclear artillery shells, light fission bombs and missile warheads, and perhaps thermonuclear missile warheads.

An intercontinental ballistic missile (ICBM) is a ballistic missile with a range greater than 5,500 kilometres (3,400 mi), [1] primarily designed for nuclear weapons delivery (delivering one or more thermonuclear warheads).

nuclear weapon, device designed to release energy in an explosive manner as a result of nuclear fission, nuclear fusion, or a combination of the two processes. Fission weapons are commonly referred to as atomic bombs.

2023年12月10日 · A new nuclear missile is coming, a gigantic ICBM called the Sentinel. It marks the largest cultural shift in 60 years in the land leg of the Air Force’s nuclear missile mission.

2024年3月29日 · Of the world’s approximate 12,121 nuclear warheads, roughly 9,585 are in the military stockpiles for use by missiles, aircraft, ships and submarines. The remaining warheads have been retired but are still relatively intact and are awaiting dismantlement).

Up to 400 Minuteman III missiles make up the most responsive leg of the nuclear triad. America's ICBM force has remained on continuous, around-the-clock alert since 1959.