M23

M23
Name	M23
Type	Rocket launcher
Origin	United States
Design date	1950s
Manufacturer	Picatinny Arsenal / Rochester Armory
Weight	3.8 kg (warhead only)
Length	0.91 m
Caliber	66 mm
Cartridge	High-explosive anti-armor
Service	1950s–1970s
Users	United States Army, United States Marine Corps, French Army, Israeli Defense Forces, South Viet Nam Armed Forces

M23 is a shoulder-fired, reloadable rocket launcher developed in the United States during the early Cold War era. It served as a lightweight anti-armor and demolition weapon for infantry and airborne units, contemporaneous with other Western portable systems used by NATO forces and allied militaries. The design emphasized simplicity, low cost, and the ability to defeat light armored targets and field fortifications.

Overview

The M23 was designed as a crew-served infantry weapon to fill a niche between anti-tank guns like the M40 Gun Motor Carriage and recoilless rifles such as the M18 Recoilless Rifle. It complemented shoulder-fired systems issued to United States Army Rangers, 101st Airborne Division, and United States Marine Corps Force Reconnaissance elements. The launcher used a single-piece rocket motor and a shaped-charge warhead, making it comparable in role to systems fielded by British Army units and other NATO partners during the 1950s and 1960s.

History and Naming

Development began in the early 1950s at facilities associated with Picatinny Arsenal and contractors serving the United States Ordnance Department. Testing involved units such as the 1st Infantry Division and airborne formations including the 82nd Airborne Division. Initial production runs supplied theaters where light, mobile anti-armor capability was prioritized, notably in Korean War aftermath deployments and advisory missions tied to Cold War contingency planning. The designation assigned followed the US military nomenclature practices of the period and was used in ordnance inventories alongside contemporaries like the Bazooka-series and the M72 LAW.

Design and Specifications

The launcher consisted of a smoothbore tube, sighting assembly, and reusable firing mechanism, while rockets were stowed separately for rapid reloads by teams modeled on infantry anti-armor squads in the US Army Infantry School. The warhead employed a conical shaped charge influenced by early work from designers associated with Los Alamos National Laboratory and industry partners supplying the Ordnance Corps. Range and penetration metrics were comparable to other 66 mm-class systems, intended to defeat light armor, bunkers, and obstacles used in defensive works by formations like the People's Army of Vietnam during asymmetric engagements. The sighting suite allowed both stationary and snap-shot engagements typical of tactics taught at institutions such as the United States Military Academy and Fort Benning.

Variants and Modifications

Several iterations and field modifications emerged, including changes to propellant grain, fuzing options, and sight configurations made by contractors like Rochester Armory and arsenals supporting United States Marine Corps logistics. Export versions were supplied to allies including France and Israel, leading to locally produced refinements influenced by combat experience in conflicts involving French Foreign Legion units and the Israel Defense Forces during regional wars. Some modifications focused on weight reduction for paratroop use by units such as the British Parachute Regiment and United States Army Special Forces.

Operational Use and Deployment

Operational employment spanned conventional Cold War garrison duties, expeditionary deployments, and advisory-era combat where infantry required portable anti-armor options. Units like the 1st Cavalry Division and 3rd Marine Division reported use in training and limited combat roles, while allied forces used the system in regional conflicts where mobility and ease of use outweighed heavier anti-tank solutions like the M48 Patton-engaged armored battles. Doctrine for use was incorporated into manuals produced by the Department of the Army and tactical briefs developed at centers such as Fort Leavenworth.

Incidents and Controversies

Incidents involving backblast injuries, misfires, and handling accidents prompted safety advisories from the Ordnance Corps and training updates at institutions including the United States Army Medical Department and Occupational Safety and Health Administration-adjacent military safety offices. Controversies arose when surplus stocks entered foreign markets, drawing scrutiny from agencies like the United Nations arms monitoring components and prompting discussions in parliamentary committees of recipient states such as France and Israel over end-use controls. Debates also occurred within procurement circles at the Pentagon regarding replacement priorities when newer systems like the M72 LAW and guided anti-armor munitions gained prominence.

Category:Cold War weapons