155 mm/60 3rd Year Type (155 mm)

Description

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Vehicles equipped with this weapon

• IJN Mikuma
• IJN Suzuya

General info

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Available ammunition

Penetration statistics
Ammunition	Type of warhead	Penetration @ 0° Angle of Attack (mm)
		1,000 m	2,500 m	5,000 m	7,500 m	10,000 m	15,000 m
Type 0 HE	HE	36	36	36	36	36	36
Type 91 APHE	APHEBC	313	269	210	165	131	93
Type 0 HE	HE-TF	36	36	36	36	36	36

Shell details
Ammunition	Type of warhead	Velocity (m/s)	Projectile mass (kg)	Fuse delay (s)	Fuse sensitivity (mm)	Explosive mass (TNT equivalent) (kg)	Ricochet
							0%	50%	100%
Type 0 HE	HE	920	55.79	0	0.1	3.39	79°	80°	81°
Type 91 APHE	APHEBC	920	55.79	0.035	7	1.21	48°	63°	71°
Type 0 HE	HE-TF	920	55.79	0	0.1	3.39	79°	80°	81°

Comparison with analogues

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Usage in battles

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Pros and cons

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Pros:

Cons:

History

After World War I, the victorious nations of France, Britain, the United States, Italy, and Japan got together and agreed to put restrictions on future shipbuilding to prevent another arms race similar to the one that had occurred prior to World War I between Britain and Germany. Under the Washington Naval Treaty signed in 1922, the cruiser type was divided between "light" and "heavy". Future light cruisers could have guns no bigger than 6.1 inches in calibre. The 155 mm/60 3rd Year Type was to conform to the treaty regulations and arm the Mogami-class cruisers Mogami, Mikuma, Suzuya, and Kumano. However, it was never intended to stick. The Imperial Japanese Navy had plans to refit these ships with 8-inch guns as soon as the opportunity presented itself and they would no longer have to be concerned with violating the treaty. The Tone-class cruisers were also planning to use these guns, but Japan abandoned the Washington Naval Treaty in 1936 leading them to get fitted with 8-inch guns instead, closely followed by the Mogami class. After being removed from their original light cruisers, these guns would find new leases on life. 2 triple turrets from the Mogami were used for the IJN's light cruiser Oyodo which was designed to coordinate submarine squadrons. They were also re-used on the mighty Yamato. Their final use was as coastal defense batteries. Some were mounted in 60-degree mounts in the Tokyo Bay area, while others were mounted at Kure, Sasebo, Nagasaki, and Okinawa. While not suitable as anti-aircraft guns, they were effective anti-ship weapons. Kure Naval Arsenal built about 80 of these guns overall.

Media

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See also

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• reference to the article about the variant of the cannon/machine gun;
• references to approximate analogues by other nations and research trees.

External links

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• topic on the official game forum;
• other literature.

Japan naval cannons
20 mm	JM61 · Type 98
25 mm	25 mm/60 Type 96
37 mm	Type 4 · Type 11 pattern 1922
40 mm	40 mm/62 Vickers
57 mm	Type 97
75 mm	Type 88 AA
76 mm	3-inch/40 Type 41 · 8 cm/40 3rd Year Type · 8 cm/60 Type 98
100 mm	100/65 mm Type 98 mod A
120 mm	120 mm/45 3rd Year Type · 120 mm/45 10th year type
127 mm	5 inch/40 Type 89 · 127 mm/50 3rd Year Type
140 mm	140 mm/50 3rd Year Type
152 mm	6-inch/45 Type 41 · 15 cm/50 Type 41
155 mm	155 mm/60 3rd Year Type
200 mm	20 cm 3rd year type No.1
203 mm	20 cm/45 Type 41 · 20 cm/50 3rd year type No.2
356 mm	36 cm/45 Type 41
410 mm	410 mm/45 Type 3
	Foreign:
20 mm	20 mm/70 Oerlikon Mk.II (USA/Britain)
40 mm	Bofors L/60 Mark 1 (USA) · Bofors L/60 Mark 2 (USA) · Bofors L/60 Mark 3 (USA)
47 mm	3 pdr QF Hotchkiss (Britain)
76 mm	3-inch Mark 10 (USA) · 3 inch Mk.33 (USA) · 3-inch Mk.34 (USA)
120 mm	4,7-inch/40 Armstrong (Britain)
127 mm	5 inch/38 Mk.12 (USA)
305 mm	12-inch/45 Vickers (Britain) · 12-inch/50 Vickers (Britain)