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The Reliable Replacement Warhead (RRW) was a proposed new American nuclear warhead design and bomb family that was intended to be simple, reliable and to provide a long-lasting, low-maintenance future nuclear force for the United States.
The W93 is an American nuclear warhead planned to replace the W76 and W88 warheads on United States Navy submarines from 2034. The warhead will be carried on the new Columbia-class submarines [1] and will use a new aeroshell, the Mark 7 reentry body (RB). [2] The warhead will be designed by Los Alamos National Laboratory. [3]
The first nuclear explosive devices provided the basic building blocks of future weapons. Pictured is the Gadget device being prepared for the Trinity nuclear test. Nuclear weapons design are physical, chemical, and engineering arrangements that cause the physics package [1] of a nuclear weapon to detonate. There are three existing basic design ...
The warhead is currently the most numerous weapon in the US nuclear arsenal, [13] having replaced the 50 kt W68 that was fitted to the Poseidon SLBM in that capacity. The United Kingdom operates a nuclear weapon based on the W76 mod-1 design under the name "Holbrook".
In March 2019, the W87 Mod 1 (W87-1) thermonuclear warhead was selected for GBSD, replacing the W78 warhead currently used on the Minuteman III. [2] It was planned for GBSD to deploy in 2028, with W87-0 warheads initially being fitted to the system and W87-1 warheads being fitted from 2030 onward.
The air fleet is four squadrons at four different bases. In total, there are 23 Mirage 2000N aircraft and 20 Rafales capable of carrying nuclear warheads. [38] The M51.1 missiles are intended to be replaced with the new M51.2 warhead beginning in 2016, which has a 3,000 kilometres (1,900 mi) greater range than the M51.1. [38]
In the National Nuclear Security Administration's 2021 budget request, the agency requested US$53m to begin development of a new W93 warhead for use on Trident II and US$32 million to begin development of a new Mk-7 RV. If approved, the W93 will be the first new nuclear weapon system to receive a type designation since the end of the Cold War.
The warhead will be used on the new AGM-181 LRSO cruise missile. [2] The first production unit is expected to be completed in 2027. [2] According to public descriptions of the program, the warhead will offer no increased military capability, only refurbishing and updating components, and increasing weapon safety and reliability. [7] [8]