List of weapons of the Japanese Navy

This is a list of the weapons of the Imperial Japanese Navy.

Tanks and armoured vehicles (WW II)

Regular light and medium tanks

Type 95 Ha-Go light tank of the IJN

• Type 92 Jyu-Sokosha tankette
• Type 94 tankette
• Type 97 Te-Ke tankette
• Type 95 Ha-Go light tank
• Type 89A I-Go Kō medium tank
• Type 89B I-Go Otsu medium tank
• Type 97 medium tank
• Type 97 ShinHōtō Chi-Ha medium tank (improved)

Amphibious tanks

A captured Type 2 Ka-Mi of the IJN undergoing testing

• Type 1 Mi-Sha (a/k/a Type 1 Ka-Mi) (prototype) amphibious tank
• Type 2 Ka-Mi amphibious tank
• Type 3 Ka-Chi amphibious tank
• Type 5 To-Ku (prototype) amphibious tank

Amphibious APC

• Type 4 Ka-Tsu amphibious APC vehicle

Short barrel 120 mm (4.7 in) gun tanks at the Naval Yard in Sasebo

Self-Propelled vehicles

• Type 1 Ho-Ni I 75 mm (3.0 in) gun tank
• Type 1 Ho-Ni II 105 mm (4.1 in) gun tank
• Short barrel 120 mm gun tank
• Long barrel 12 cm SPG (prototype)

Armoured cars

• Vickers Crossley armoured car
• Sumida Model P armored car
• Type 93 armoured car

Cars and trucks

• Type 95 mini-truck
• Amphibious truck Su-Ki

Artillery weapons (WWII)

Type 1 47 mm anti-tank gun, rear view

Anti tank guns

• Type 94 37 mm anti-tank gun
• Type 1 37 mm anti-tank gun
• Type 1 47 mm anti-tank gun

Medium anti-aircraft gun

• Type 96 25 mm dual purpose anti-tank/anti-aircraft gun
• Vickers Type 40 mm (1.6 in) Dual Purpose anti-tank/anti-aircraft gun
• Type 11 75 mm AA gun
• Type 88 75 mm AA gun
• Type 4 75 mm AA gun

A damaged dual purpose Type 10 120 mm gun

Heavy anti-aircraft gun

• Type 14 10 cm AA gun
• Type 3 12 cm AA gun
• Type 5 15 cm AA gun (project)
• Type 3 80 mm AA gun
• Type 10 120 mm AA gun

Rocket launcher (ground use)

• 25 mm (0.98 in) rocket gun launcher
• 80 mm (3.1 in) anti-tank rocket launcher
• 100 mm (3.9 in) anti-tank rocket launcher
• 120 mm (4.7 in) rocket launcher
• 120 mm (4.7 in) six-rocket launcher
• 200 mm (7.9 in) rocket launcher Model 1
• 200 mm (7.9 in) rocket launcher Model 2
• 200 mm (7.9 in) rocket launcher Model 3
• 450 mm (18 in) heavy rocket launcher
• Type 6 ground use bomb projection rocket launcher Model 11
• Type 6 ground use bomb projection rocket launcher Model 13
• Type 3 rocket launcher Model 1
• Type 3 rocket launcher Model 2
• Type 3 rocket launcher Model 2 modification 1

Rocket launcher (carrier-based)

• 75 mm (3.0 in) blast-off rocket launcher
• 120 mm (4.7 in) rocket launcher (AA)
• 120 mm (4.7 in) 28-rocket launcher (AA)
• 120 mm (4.7 in) 30-rocket launcher (AA)
• 150 mm (5.9 in) rocket depth bomb launcher (ASW)

Infantry weapons of the Japanese Navy (WW II)

Rifles

• Type 38 rifle
• Type 38 cavalry rifle
• Type 44 cavalry rifle
• Type 97 sniper rifle
• Type 99 rifle
• Type 99 sniper rifle
• Type 'I' rifle
• TERA rifles (Type 100 rifle, Type 1 rifle, Type 2 rifle)

Pistols

• Type 26 9 mm (0.35 in) revolver
• Type 14 8 mm (0.31 in) Nambu pistol
• Type 94 8 mm (0.31 in) pistol

Sub machine guns

• Bergmann submachine gun
• Type 100 submachine gun

Machine guns

• Type 11 light machine gun
• Type 96 light machine gun
• Type 99 light machine gun
• Type 3 heavy machine gun
• Type 92 heavy machine gun
• Type 1 heavy machine gun

Infantry mortar

• Type 11 70 mm (2.8 in) infantry mortar
• Type 94 90 mm (3.5 in) infantry mortar
• Type 96 150 mm (5.9 in) infantry mortar
• Type 97 81 mm (3.2 in) infantry mortar
• Type 97 90 mm (3.5 in) infantry mortar
• Type 97 150 mm (5.9 in) infantry mortar
• Type 99 81 mm (3.2 in) infantry mortar
• Type 2 120 mm (4.7 in) infantry mortar
• Type 98 50 mm (2.0 in) mortar

Grenades and grenade dischargers

• Type 10 grenade
• Type 91 grenade
• Type 97 grenade
• [Type 99] grenade
• Ceramic grenade
• Type 10 grenade discharger
• Type 89 grenade discharger
• Rifle grenade discharger

Light anti-aircraft weapons

• Type 98 20 mm (0.79 in) AA machine cannon
• Type 2 20 mm (0.79 in) AA machine cannon
• Type 4 20 mm (0.79 in) twin AA machine cannon
• Type 4 75 mm (3.0 in) twin AA machine cannon
• AA mine discharger

Anti-tank weapons

• Type 97 20 mm (0.79 in) AT rifle
• Type 99 AT mine
• Type 2 AT rifle grenade
• Type 3 AT grenade
• Lunge AT mine
• Model 93 pressure anti-tank/personnel mine
• Model 99 magnetic anti-tank mine

Flamethrower

• Type 100 flamethrower

Military sword

• Type 98 Shin guntō Military sword

Aerial bombs (World War II)

• Type 3 No.1 28-Go bomb T(Spreading)
• Type 3 No.1 28-Go bomb Type 2 modify 1
• Type 3 No.1 28-Go bomb Type 2 modify 2
• Type 3 No.1 28-Go bomb "Maru-Sen" steel board anti-submarine
• Type 3 No.6 27-Go bomb 1,354 200 58.0 1.2 10.5 500(spreading)
• Type 3 No.25 4-Go bomb Type 1 steel board anti-ground anti-surface
• Type 3 No.50 4-Go bomb steel board anti-ground anti-surface

Electronic warfare (WWII)

Land-Based radar

• Type 2 Mark 1 Model 1 early warning radar ("11-Go" early warning radar)
• Type 2 Mark 1 Model 1 Modify 1 early warning radar ("11-Go" Model 1 early warning radar)
• Type 2 Mark 1 Model 1 Modify 2 early warning radar ("11-Go" Model 2 early warning radar)
• Type 2 Mark 1 Model 1 Modify 3 early warning radar ("11-Go" Model 3 early warning radar)
• Type 2 Mark 1 Model 2 Mobil early warning radar ("12-Go" Mobil early warning radar)
• Type 2 Mark 1 Model 2 Modify 2 Mobil early warning radar ("12-Go" Modify 2 Mobil early warning radar)
• Type 2 Mark 1 Model 2 Modify 3 Mobil early warning radar ("12-Go" Modify 3 Mobil early warning radar)
• Type 3 Mark 1 Model 1 early warning radar ("11-Go" Modify early warning radar)
• Type 3 Mark 1 Model 3 small size early warning radar ("13-Go" small size early warning radar)
• Type 3 Mark 1 Model 4 long-range air search radar ("14-Go" long-range air search radar)
• Type 2 Mark 4 Model 1 anti-aircraft fire-control radar (Japanese SCR- 268) (S3 anti-aircraft fire-control radar)
• Type 2 Mark 4 Model 2 anti-aircraft fire-control radar (Japanese SCR-268) (S24 anti-aircraft fire-control radar)

Airborne radar

• Type 3 Air Mark6 Model 4 airborne ship-search radar (H6 airborne ship-search radar)
• N6 airborne ship-search radar
• Type 5 Model 1 radio location night vision device

Shipborne radar

• Type 2 Mark 2 Model 1 air search radar ("21-Go" air search radar)
• Type 2 Mark 2 Model 2 Modify 3 anti-surface, fire-assisting radar for Submarine ("21-Go" Modify 3 anti-surface, fire-assisting radar)
• Type 2 Mark 2 Model 2 Modify 4 anti-surface, fire-assisting radar for ship ("21-Go" Modify 4 anti-surface, fire-assisting radar)
• Type 2 Mark 3 Model 1 anti-surface fire-control radar ("31-Go" anti-surface fire-control radar)
• Type 2 Mark 3 Model 2 anti-surface fire-control radar ("32-Go" anti-surface fire-control radar)
• Type 2 Mark 3 Model 3 anti-surface fire-control radar ("33-Go" anti-surface fire-control radar)

Radar-equipped Bomber devices for maritime reconnaissance/antisubmarine patrol

• Mitsubishi G3M3 (Model 23) (Allied codename: "Nell"): This long-range bomber, beginning in 1943, was used as a radar-equipped maritime reconnaissance and electronic warfare aircraft.
• Mitsubishi G4M1 (Model 11/12) "Betty": From 1942, the G4M was also used for the same purposes as the G3M
• Nakajima B5N2 ("Kate")/Nakajima B6N1-2 Tenzan ("Jill"): In 1944, some torpedo bombers of mentioned types used with antisubmarine, radar detection (with finding radar equipment) and similar purposes in short- or medium-range maritime search missions from carriers or land bases.
• Aichi E13A1b ("Jake") Mark 11B:how model 11A, added surface-search radar and other night conversion with radar (E13A1b-S)
• Kawanishi H6K2,4, and 5 "Mavis" Marks 11, 22, and 23:more powerful engines, for ultra long range missions, long range sea radio equipment and surface-search radar added.
• Kawanishi H8K2 ("Emily") Mark 12:More potent engines for ultra-long range maritime recon missions, major heavy armament; also long range sea radio equipment and air-surface search radar added.
• Kawanishi E7K2 ("Alf") Mark 2: short range seaplane, fitted with magnetic anomaly detection equipment and surface-search radar for short range patrol and antisubmarine missions.
• Kyushu Q3W1 Nankai (South Sea): two place version of training aircraft Kyushu K11W1 Shiragiku, for antisubmarine patrol. Equipped with sea-surface finding antisubmarine sonar (one prototype)
• Kyushu Q1W1 Tokai (Eastern Sea; "Lorna"): Antisubmarine patrol aircraft. Equipped with surface-search radar and antisubmarine equipment for escorting convoys in the East China Sea, the Yellow Sea and the Sea of Japan during short periods in 1944-45.
• Mitsubishi Q2M Taiyo: advanced antisubmarine patrol design, derived from Mitsubishi Ki-67 Hiryu ("Peggy"). Was equipped with magnetic antisubmarine search device, air-surface radar and electronic antennae warfare. This design did not advance past the design stage during the war.

Torpedoes

• 6th Year Type 533 mm (21.0 in) surface-launched torpedo
• 8th Year Type 609 mm (24.0 in) surface-launched torpedo
• Type 90 609 mm (24.0 in) surface-launched torpedo
• Type 91 450 mm (18 in) aircraft-launched torpedo
• Type 92 533 mm (21.0 in) submarine torpedo
• Type 93 610 mm (24 in) surface-launched oxygen torpedo
• Type 95 533 mm (21.0 in) submarine torpedo
• Type 97 450 mm (18 in) midget submarine torpedo

Surface-to-air missiles

• Funryu Type 1 radio-guided surface-to-air missile
• Funryu Type 2 radio-guided surface-to-air missile
• Funryu Type 3 radio-guided surface-to-air missile
• Funryu Type 4 radio-guided surface-to-air missile

Special weapons (World War II)

• I-400 class submarine (special submarine aircraft carrier)
  • Aichi M6A "Seiran" special seaplane bomber (submarine-born)

Kamikaze weapons

"Kamikaze" suicide weapon:

• "Fukuryu" frogman,
• "Kaiten" torpedo,
• "Yokosuka MXY-7 Ohka attack-aircraft,
• "Shinyo" motorboat

References

• Stille, Mark (2014). The Imperial Japanese Navy in the Pacific War. Osprey Publishing. ISBN 978-1472801463.
• Tomczyk, Andrzej (2002). Japanese Armor Vol. 1. AJ Press. ISBN 83-7237-097-4.
• Tomczyk, Andrzej (2007) [2002]. Japanese Armor Vol. 2. AJ Press. ISBN 978-8372371119.
• Tomczyk, Andrzej (2003). Japanese Armor Vol. 3. AJ Press. ISBN 978-8372371287.
• Tomczyk, Andrzej (2005). Japanese Armor Vol. 4. AJ Press. ISBN 978-8372371676.
• Tomczyk, Andrzej (2007). Japanese Armor Vol. 5. AJ Press. ISBN 978-8372371799.
• Zaloga, Steven J. (2007). Japanese Tanks 1939–45. Osprey. ISBN 978-1-8460-3091-8.