Bazooka

Bazooka
U.S. Army Signal Corps photograph.. · Public domain · source
Name	Bazooka
Type	Rocket launcher
Origin	United States
Used by	United States Army, United States Marine Corps, British Army, Soviet Union
Wars	World War II, Korean War, Vietnam War
Designer	Robert H. Goddard; development by United States Army Ordnance Department
Manufacturer	General Electric, RCA, Allied Tool Works
Production date	1942–1950s
Caliber	2.36 in (60 mm); later 3.5 in (89 mm)
Cartridge	Rocket-propelled grenade

Bazooka The bazooka is a shoulder-fired, man-portable rocket launcher developed in the United States during the early 20th century and fielded widely in World War II, Korean War and early Vietnam War operations. It combined the compactness of personal infantry weapons with shaped-charge warheads capable of defeating armored vehicles and fortified positions, influencing anti-armor tactics among forces such as the United States Army, British Army and insurgent groups. Its development drew on earlier rocket research by pioneers like Robert H. Goddard and institutional efforts by the United States Army Ordnance Department, producing a lineage of variants that shaped postwar anti-armor doctrine.

History

Initial conceptual work leading to the bazooka followed investigations into rocket propulsion by figures such as Robert H. Goddard and institutional programs at the National Defense Research Committee and Ordnance Department. Early prototypes emerged as a response to German armor encountered by Allied forces during the interwar period and early World War II engagements. Fielding began in 1942 after expedited production by manufacturers including General Electric and RCA, and the weapon saw widespread use in theaters from the European Theatre of World War II to the Pacific War islands. Postwar, designs influenced and were superseded by systems developed by organizations such as the U.S. Army Research and Development Board and manufacturers like Allied Tool Works, while captured examples entered inventories of Soviet Union-aligned forces and irregular units in conflicts across Asia and Africa.

Design and Operation

The bazooka is characterized by a simple tubular launch tube, a trigger assembly, and a rocket-propelled grenade fitted with a shaped-charge warhead. The launch tube functions as a guide and electrical conduit for ignition; early models used an electrical firing system derived from ordnance practices at the United States Army Ordnance Department, while later models incorporated mechanical ignition refinements influenced by testing at Aberdeen Proving Ground. Rockets were stabilized by fins and used solid propellants developed in collaboration with National Defense Research Committee chemists; warhead design leveraged shaped-charge theory advanced in studies associated with Ballistic Research Laboratory. Operators aimed using rudimentary sights and braced the weapon on the shoulder, accounting for backblast zones familiar to troops trained at installations such as Fort Benning and Fort Bragg. The effective range and penetration depended on caliber and warhead type; the 2.36 in (60 mm) baseline offered portability, while later 3.5 in (89 mm) variants increased armor defeat capability.

Variants and Models

Production and development spawned multiple series and national derivatives. The M1 and M1A1 were early American production models deployed in World War II; the improved M9 and later M20 systems appeared in the Korean War and Vietnam War theaters. The larger M18 57 mm and the M20 3.5 in models reflected incremental changes by the United States Army Ordnance Department and contractors such as General Electric and Allied Tool Works. Allied adaptations included British and Commonwealth procurement modifications tested at Aberdeen Proving Ground and wartime trials by units from the British Army and Royal Canadian Army. Captured and reverse-engineered examples influenced Soviet and postwar Eastern Bloc projects undertaken by laboratories in the Soviet Union and satellite states, while insurgent and irregular forces often favored simpler 60 mm or improvised launchers in conflicts ranging from the Greek Civil War to decolonization-era struggles.

Combat Use and Tactics

Tactically, units integrated bazookas into infantry anti-armor teams, coordinating with armor reconnaissance, artillery observers and close air support elements such as those from the United States Army Air Forces and later the United States Air Force. Doctrine emphasized ambushes, hull-down engagement, and targeting of weak points like sides, rears and tracks on armored vehicles documented in tactical manuals developed by the U.S. Army Infantry School. In urban and bunker engagements—seen in operations during the Battle of Stalingrad-era adaptations and Pacific island campaigns—bazookas were used for breaching, demolition and close assault alongside engineers from units like the United States Army Corps of Engineers. Limitations in penetration against late-war and postwar tanks prompted combined-arms tactics pairing bazooka teams with anti-tank guns, minefields and aircraft-delivered ordnance from services such as the Royal Air Force and United States Navy aviation squadrons.

Countermeasures and Survivability

Armor developments by nations such as Germany and the Soviet Union—including sloped armor and spaced armor schemes seen on vehicles like late-model Panzerkampfwagen V and T-34 variants—reduced the bazooka’s effectiveness, driving changes in warhead design and engagement doctrine. Survivability measures for crews included tactical dispersion, shot-and-scoot drills taught at Fort Benning, camouflage techniques influenced by training at Fort Bragg, and support by infantry squads and armored vehicles such as M4 Sherman and postwar armored escort doctrines. Countermeasures against rocket attack included applique armor, track skirts and reactive-armor precursors tested by engineers at facilities like the Ballistic Research Laboratory and operationally applied by units in the Korean War. The bazooka’s legacy informed later portable anti-tank guided missile programs developed by agencies including the Defense Advanced Research Projects Agency and manufacturers like General Dynamics.

Category:Rocket launchers Category:Infantry weapons