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The Kerrison Predictor was one of the first fully automated anti-aircraft fire-control systems. It was used to automate the aiming of the British Army 's Bofors 40 mm guns and provide accurate lead calculations through simple inputs on three main handwheels. The predictor could aim a gun at an aircraft based on simple inputs like the observed ...
After the Battle of Kasserine Pass (early 1943), U.S. troops increasingly adopted the modern foxhole, a vertical, bottle-shaped hole that allowed a soldier to stand and fight with head and shoulders exposed. [4] [6] The foxhole widened near the bottom to allow a soldier to crouch down while under intense artillery fire or tank attack. [4]
Indirect fire. Indirect fire trajectories for rockets, howitzers, field guns and mortars. Indirect fire is aiming and firing a projectile without relying on a direct line of sight between the gun and its target, as in the case of direct fire. Aiming is performed by calculating azimuth and inclination, and may include correcting aim by observing ...
The 2S22 Bohdana is a 155 mm NATO -standard caliber, wheeled self-propelled howitzer developed in Ukraine. Its prototype is mounted on the chassis of the Ukrainian six-wheel-drive KrAZ-6322 truck. [1][4] It has an armoured cabin and storage for 20 shells. [4][5] The howitzer has a minimum range of 780 meters, and a maximum range of 42 km, or 50 ...
Predicted fire. Predicted fire (originally called map shooting) is a tactical technique for the use of artillery, enabling it to fire for effect without alerting the enemy with ranging shots or a lengthy preliminary bombardment. The guns are laid using detailed calculations and surveys to increase aiming accuracy from the first round.
Thermobaric weapon. A thermobaric weapon, also called an aerosol bomb, or a vacuum bomb, [ 1 ] is a type of explosive munition that works by dispersing an aerosol cloud of gas, liquid or powdered explosive. [ 2 ][ 3 ] The fuel is usually a single compound, rather than a mixture of multiple molecules. [ 4 ]
The bore to barrel length ratio is called "caliber" in naval gunnery, [2]: 81 but is called "length" in army artillery. Before World War II, the US Navy used 5"/51 caliber (5" L/51) as surface-to-surface guns and 5"/25 caliber (5" L/25) as surface to air guns. By the end of World War II, the dual purpose 5-inch/38-caliber gun (5" L/38) was ...
Battle of Lanzerath Ridge Part of the Battle of the Bulge, World War II 117th Infantry North Carolina National Guard at St. Vith Date December 16–17, 1944 Location Near Lanzerath, Belgium 50°21′34″N 6°19′45″E / 50.359487°N 6.329241°E / 50.359487; 6.329241 Result American surrender Belligerents Germany United States Commanders and leaders Josef Dietrich I.G. von ...