The M198 howitzer is a medium-sized, towed 155mm artillery piece, developed for service with the United States Army and Marine Corps. It was commissioned to be a replacement for the WWII-era M114 155 mm howitzer. It was designed and prototyped at the Rock Island Arsenal in 1969 with firing tests beginning in 1970 and went into full production there in 1978. It entered service in 1979 and since then 1,600 units have been produced and put into operation.
The M198 is being replaced in US and Australian service by the M777 howitzer.
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Description
The M198 155 mm howitzer weighs less than 16,000 pounds (7,300 kg), allowing it to be dropped by parachute or transported by a CH-53E Super Stallion or CH-47 Chinook. The M198 is a towed howitzer that is transported tail first. The gun tube can be rotated over the howitzer's trail legs to reduce its length, though this requires removal of the muzzle brake, or left in the firing position for faster deployment. When firing, the weapon is lowered onto its baseplate rather than being anchored to the ground, allowing for rapid emplacement. The breech is operated manually via a screw type mechanism that rests low in an ergonomic position. The M198 fires non-fixed ammunition and can be loaded with a variety of propellants and projectiles. The effective range is 18,100 meters when firing standard projectiles, which increases to 30,000 meters when firing rocket-assisted projectiles and guided ammunition. With the 52-caliber modification the range can surpass 40,000 meters. The weapon system requires a crew of 9 and is capable of firing at a maximum rate of four rounds per minute, two sustained.
The M198 is deployed in separate corps- and army-level field artillery units, as well as in artillery battalions of light and airborne divisions. It also provides field artillery fire support for all Marine Air-Ground Task Force organizations.
Capable munitions
Replacement
BAE Systems has won the contract to replace the M198 in the US Army and Marine Corps with its M777 155 mm/39 cal towed howitzer, which weighs less than 4,200 kg (9,300 lb).
Operators
Current operators
- Bahrain 18 in service with Royal Bahraini Army
- Ecuador: 12
- Honduras 12
- Iraq 120 howitzers supplied from U.S., 52 of them captured by ISIS
- Lebanon Total is 219 pieces. 36 Howitzers operated by the LAF since the 80's, 41 Howitzers received in 2008, followed by 30 M-198 Howitzers in January, 2010, 72 pieces delivered on 8/2/2015, and a batch of 40 pieces on 8/9/2016
- Morocco: 35 units
- Pakistan: 148 in service with the Pakistan Army.
- Saudi Arabia 42
- Somalia 18 in service with Somali Armed Forces
- Tunisia: 57-60 units in service
- Thailand: 116 units in service with Royal Thai Army
Other operators
- ISIS 52 captured by Islamic State of Iraq and the Levant. Some of them destroyed by air strikes.
Former operators
- Australia 36
- United States 358
Source of the article : Wikipedia
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