M2 4.2-inch mortar - Wikipedia
The first 4.2 in (110 mm) mortar in U.S. service was introduced in 1928 and was designated the M1 Chemical Mortar. Development began in 1924 from the British 4-inch (102 mm) Mk I smooth-bore mortar. The addition of rifling increased the caliber to 4.2 in (110 mm). The M1 fired chemical shells to a range of 2,400 yards (2,200 m).
M30 mortar - Wikipedia
The M30 106.7 mm (4.2 inch, or "Four-deuce") heavy mortar is an American rifled, muzzle-loading, high-angle-of-fire weapon used for long-range indirect fire support to infantry units. Design [ edit ]
M2 4.2 inch mortar | Military Wiki | Fandom
The M2 4.2 inch Mortar was a U.S. rifled 4.2-inch (107-mm) mortar used during the Second World War and the Korean War. It entered service in 1943. It was nicknamed the "Goon Gun" (from its large bullet-shaped shells, monopod, and rifled bore - like a rifle for shooting Goons) or the "Four-Deuce" (from its bore size in inches).
History of the 4.2" Chemical Mortar
The 4.2" mortar first saw action [with the 2nd and 3rd Chemical Mortar Battalions] in the taking of Sicily in the summer of 1943. Mortar squads were among the first waves of troops to hit the beach, and they went into action a few minutes after landing.
The M2 4.2-Inch Chemical Mortar - Warfare History Network
Mortars are smaller and lighter than cannon of comparable caliber and fire at a high angle, their rounds arcing high into the air and coming down at a nearly vertical angle to the ground. This enables mortars to fire at targets in defilade, hidden behind objects such as buildings or hills that would mask artillery fire.
M30 (4.2-inch / Four-Deuce) 106.7mm Heavy Mortar System - Military Factory
2022年2月14日 · It fires three distinct projectiles in five forms including two HE (High-Explosive) types (HE M329A1 and HE M329A2), a WP (White Phosphorous) round (WP M328A1) and two Illumination rounds (ILLUM M325A2 and ILLUM M335A2) out to ranges of 5,500 meters or more.
Mortar Facts - 4point2.org
Mortars in beach bombardment. On 9 January 1945, 4.2 inch mortars mounted in LCI(M)s (Landing Craft, Infantry, (Mortar)) participated in the naval fire preparation for the assault by the 37th and 40th Infantry Divisions on the beaches of Lingayen Gulf, Luzon, Philippine Islands.
M2 4.2 inch Mortar and Manuals - koreanwaronline.com
A 4.2 inch M2 mortar crew, members of reconstituted Task Force Smith's 21st Infantry Regiment, fires on attacking North Korean 4th Division assault troops near Chochiwan, 11 July 1950. With their 3rd Battalion routed in front, and enemy blockades in their rear, well overmatched against the veteran NK 4th division with their supporting tanks ...
U.S. Army Chemical Mortar Battalions
Browse through the menu below to read the history of the 4.2 inch mortar, review when and where the many battalions served, find out about contact persons and planned reunions, and more.
4.2-inch (M30) mortar, and 120-mm (M120) mortars. It discusses the practical applications of ballistics and a system combining the principals, techniques, and procedures essential to
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