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The design of the KwK 40 was adapted from the similar towed anti-tank gun, the 7.5 cm Pak 40. It replaced the short-barrel 7.5 cm KwK 37 a 24- calibre long close-support gun, providing a huge improvement in firepower for mid-war tank designs. It came in two versions, 43 ("L/43") and 48 ("L/48") calibres long barrels, the former used during 1942 ...
8.8 km (5.5 mi) [1] The 75mm Pack Howitzer M1 (redesignated the M116 in 1962) was a pack howitzer artillery piece used by the United States. Designed to be moved across difficult terrain, gun and carriage could be broken down into several pieces to be carried by pack animals. The gun saw combat in World War II with the United States Army ...
45.4 km/h (28.2 mph) on roads [11] [d] 20–25 km/h (12–16 mph) cross country [5] The Tiger I ( German: [ˈtiːɡɐ] ⓘ) was a German heavy tank of World War II that began operational duty in 1942 in Africa and in the Soviet Union, usually in independent heavy tank battalions. It gave the German Army its first armoured fighting vehicle that ...
M109 howitzer. The M109 is an American 155 mm turreted self-propelled howitzer, first introduced in the early 1960s to replace the M44. It has been upgraded a number of times, most recently to the M109A7. The M109 family is the most common Western indirect-fire support weapon of maneuver brigades of armored and mechanized infantry divisions.
Type 97 Chi-Ha – with Type 97 57 mm tank gun; the most advanced Japanese tank available in numbers at start of the Pacific War. Type 97 Shinhoto Chi-Ha – Chi-Ha hull with an enlarged turret and production model Type 1 47 mm tank gun. Type 1 Ho-Ni I SPG (tank destroyer) – Chi-Ha hull with Type 90 75 mm field gun.
The 5.56×45mm NATO standard SS109/M855 cartridge was designed for maximum performance when fired from a 508 mm (20.0 in) long barrel, as was the original 5.56 mm M193 cartridge. Experiments with longer length barrels up to 610 mm (24.0 in) resulted in no improvement or a decrease in muzzle velocities for the SS109/M855 cartridge.
The resulting legislation raised the minimum age for buying a firearm or airgun from 14 to 17, extended controls to shotguns and other smooth-bore weapons with barrels shorter than 20 in (510 mm) (later raised by the Firearms Act 1968 to 24 in (610 mm)), transferred certificates for machine guns to military oversight, regulated gun dealers, and ...
J. Robert Oppenheimer (born Julius Robert Oppenheimer; / ˈɒpənhaɪmər / OP-ən-hy-mər; April 22, 1904 – February 18, 1967) was an American theoretical physicist. He was director of the Manhattan Project 's Los Alamos Laboratory during World War II and is often called the "father of the atomic bomb ". Born in New York City, Oppenheimer ...