JS Chogei (SS 517)

Overview

Fifth Taigei-class submarine, commissioned into JMSDF on March 10, 2026.

At a glance

Key facts

Dimensions: L: 84m | B: 9.1m
Displacement: 3,000 tons
Range: -
Max Speed: -
Propulsion: Diesel-electric, single shaft

In context

Best compared as the individual SS 517 submarine rather than the Taigei class as a whole. Its roughly 3,000-ton standard displacement and diesel-electric propulsion describe a different role from large surface ships; standard and submerged displacement should be compared separately.

Available specifications

10 fields · 3 unavailable fields

PHYSICAL SCALE

PHYSICAL SIZE: 84 × 9.1 m

LAUNCH

Launched: 2024-10-04

PHYSICAL

Dimensions: L: 84m | B: 9.1m
Displacement: 3,000 tons

PERFORMANCE

Max Speed: -
Range: -
Propulsion: Diesel-electric, single shaft

NAVAL SPECS

Armament: One set of underwater launch tubes
Complement: 70

NAVAL BENCHMARKS

Max Speed (knots): -
Displacement (tons): 3,000

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