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The No.7 anti-aircraft composite predictor, also designed by Kerrison was similar in some ways. It was originally developed for the 6-pounder naval gun, for close-in defence and also against targets at intermediate altitudes of 6,000 to 14,000 ft (1,800 to 4,300 m). It was later adapted for use with the 40 mm Bofors.
[5] 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 ...
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 ]
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.
Janes [ 1 ] The M1156 Precision Guidance Kit (PGK), formerly XM1156, is a U.S. Army -designed precision guidance system to turn existing 155 mm artillery shells into smart weapons. [ 2 ] The prime contractor was Alliant Techsystems – later merging with Orbital Sciences Corporation to form Orbital ATK, in turn being taken over by Northrop ...
3.2 Artillery. 3.3 Mortars [85] 3.4 Air ... and a ballistic calculator into a compact 6 ... to purchase 1,000 vehicles in a first phase for a budget of €5.2 billion ...
The five example models down to 1,200 m (1,312 yd) all predict supersonic Mach 1.2 + projectile velocities and total drop differences within a 51 cm (20.1 in) bandwidth. In the transonic flight regime at 1,500 m (1,640 yd) the models predict projectile velocities around Mach 1.0 to Mach 1.1 and total drop differences within a much larger 150 cm ...