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The Mark 1, and later the Mark 1A, Fire Control Computer was a component of the Mark 37 Gun Fire Control System deployed by the United States Navy during World War II and up to 1991 and possibly later. It was originally developed by Hannibal C. Ford of the Ford Instrument Company [1] and William Newell.
A mouse trap type electrical impact fuze, 1 second delay, detonation sets off filler M228 M69 Training fuze with functional fuze to train on the 4–5 second delay C12 M25/A1/A2 Integral detonating fuze, 1.4–3 second delay, detonator bursts body scattering agent M200/A1 M6/A1, M7, M8, M14, M16, M18 A mouse trap type igniting fuze.
The MK 1 is a time-fused fragmentation grenade and has 32 serrations on it. To start the fuse, the user has to pull the safety pin, then push off the cap on top of the grenade. Right before throwing, the user has to move the switch on the lever away from the grenade in order to start the fuse.
This is a list of United States Army fire control, and sighting material by supply catalog designation, or Standard Nomenclature List (SNL) group "F".The United States Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid-1920s to about 1958.
The Mk 7 Mods 3, 4, and 6 bomb dispensers have the Mk 339 Mod 1 fuze, which provides the pilot with in-flight selection of the fuze function time. The Mk 7 Mod 4 bomb dispenser differs from the Mk 7 Mod 3 by modifying the dispenser and giving interface capabilities with a wider range of military aircraft.
The M1 Underwater Defense Gun, also called the Underwater Defense Gun Mark 1 Mod 0, is an underwater firearm developed by the United States during the Cold War. Similar to other underwater firearms, it fires a special 4.25-inch (108 mm) metal dart as its projectile.
The determining factor was whether or not the mounting was provided with an anti-aircraft fire control system and a method for setting the time fuze in the A.A. warhead, fired by the gun. Starting with the Tribal class , the Royal Navy introduced a series of destroyer classes that had dual-purpose guns, but in 4.7 inch QF Mark XII , twin CP Mk.
The Mod 0 was a variable yield device with three yields, ranging from 100 tons of TNT (420 GJ) up to 1.1 kt (4.6 TJ) and an enhanced-radiation mode which could be turned on or off The Mod 1 was fission-only with a fixed 0.8 kt (3.3 TJ) yield, corresponding with the maximum fission only yield of the Mod 0