The M114 is a towed howitzer developed and used by the United States Army. It was first produced in 1941 as a medium artillery piece under the designation of 155 mm Howitzer M1. It saw service with the US Army during World War II, the Korean War, and the Vietnam War, before being replaced by the M198 howitzer.

155 mm (6.1 in) is a NATO -standard artillery shell caliber that is used in many field guns, howitzers, and gun-howitzers. It is defined in AOP-29 part 1 with reference to STANAG 4425. The 155 mm (6.1 in) caliber originated in France after the Franco-Prussian War (1870–1871).

Developed to replace the Canon de 155mm GPF, the gun was deployed as a heavy field weapon during World War II and the Korean War, and also classed as secondary armament for seacoast defense. The gun could fire a 100 lb (45 kg) shell to a maximum range of 14 mi (23 km), with an estimated accuracy life of 1,500 rounds.

2020年11月3日 · The round is set to replace the M795 HE projectile that has a 22 km range when fired from a 39-calibre barrel, the XM1128 increasing that range up to 30 km. The round can be fitted with the Precision Guidance Kit (PGK) used by the US Army artillery to improve its 155 mm munitions accuracy.

2022年12月8日 · WASHINGTON – The U.S. Army is successfully executing 155 mm artillery acceleration efforts and recently awarded two contract actions that will significantly increase production capacity for...

2021年2月15日 · For decades, mobile and Self-Propelled Army 155mm artillery cannons maxed out ranges at about 30-to-40km, until now. In recent years the Army has massively extended the range at which its...

2023年7月16日 · Prior to its use of the M198 howitzer of 1979, the United States military (and many of its allies) relied on the World War 2-era M114 towed howitzer to fulfill its 155mm long-range artillery requirement.

2017年10月16日 · Since the 1970s, ammunition improvements for 155 mm artillery systems have resulted in U.S. dominance of long-range artillery weapon systems. But with continuous change in threats worldwide, the...

The M114 155 mm howitzer was a towed howitzer used by the United States Army. It was first produced in 1942 as a medium artillery piece under the designation of 155 mm Howitzer M1. It saw service with the US Army during World War II, the Korean War, and the Vietnam War, before being replaced by...

2017年11月12日 · Army researchers are developing upgrades that will allow 155 mm artillery rounds to travel farther, target smarter and do more damage when they hit, especially on armored vehicles.