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A total of 5,250 W68 warheads were produced, the single largest production run of any American nuclear weapon model. It was manufactured starting in June 1970 and ending in June 1975. Each Poseidon missile could carry up to 14 warheads; at the peak deployment, there were 31 US Poseidon submarines with 16 missiles each, for a total of 496 ...
The M55 is 78 inches (2,000 mm) long and 4.44 inches (113 mm) in diameter. The 57-pound (26 kg) weapons can hold warheads filled with about 10 pounds (4.5 kg) of GB or VX. [2] The warhead comprises about 15 pounds (6.8 kg) total, and consists of several components.
Capable of firing a 100 kiloton nuclear warhead a distance of 185 km American MGR-3 Little John missile, measuring 4.4. meters long with a diameter of 32 cm and a weight of 350 kg. Capable of firing a W45 warhead (10 kiloton yield) a distance of 19 km French Pluton missile circa 1970s. Capable of firing a 15 kiloton nuclear warhead a distance ...
The warhead was initially manufactured from 1978 to 1987 and designed by Los Alamos National Laboratory.It was initially fitted to the Trident I SLBM system, but after the Rocky Flats plant where its successor the W88 was being made was shut down in 1989 after a production run of only 400 warheads, it was decided to transfer W76 warheads to Trident II.
The warhead is designed for controlled firepower to reduce collateral damage through a focused blast. It has a forward-firing shotgun-blast effect rather than a 360-degree blast, expelling pellets in the direction that the missile is traveling. It can be fused to detonate at a predetermined height, which can be adjusted mid-flight.
In US service Trident II can be loaded with up to eight Mk-5 RVs with 475-kt W88 warheads, up to fourteen Mk-4A RVs with 90-kt W76-1 warheads, and up to fourteen Mk-4A RVs with 5–7-kt W76-2 warheads. [citation needed] In practice, each missile on average carries four warheads due to the warhead limitations placed by the New START treaty. [41]
Armor penetration is warhead dependent and ranges from 300–600 mm (12–24 in) of RHA; one warhead, the PG-7VR, is a 'tandem charge' device, used to defeat reactive armor with a single shot. [ citation needed ] The Russian Ministry of Defense said in December 2023 that it has modified the RPG-7V grenade launcher in order to shoot 82-mm mines.
The warhead contains TATB-based LX-17 polymer bonded explosive in its primary stage, which is an insensitive high-explosive (IHE) designed to reduce the chance of detonation in an accident. [ 1 ] [ 2 ] Other explosive present in the warhead include ultra-fine powdered TATB (UF-TATB) and LX-16, [ 2 ] a PETN-based conventional polymer-bonded high ...