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SubmarinesActive: 1
Diesel submarine
Sinpo-class submarine is a diesel submarine. It was built by Sinpo South Shipyard. Reported operators include Korean People's Navy.
North KoreaAI-generated illustration · Not a photograph — Representative exterior; geometry is illustrative. Not evidence for specifications.
ForceTally · AI-generated illustration · Not a photograph · AI-generated · OpenAI output terms · Source ↗ · ModifiedSinpo South Shipyard
Korean People's Navy
Sang-O class
Sinpo-C-class submarine
3 or more
1
1
1
Diesel submarine
Submerged 1,650 -2,000 tons
70 m (229 ft 8 in) (estimated) 65 m (213 ft 3 in) ( lwl estimated)
7 m (23 ft 0 in) (estimated)
Diesel-electric (?)
(estimated) 16 knots (30 km/h; 18 mph) on surface 10 knots (19 km/h) dived. (estimated)
1,500 nmi (2,800 km; 1,700 mi) (estimated)
70–80 (estimated)
30–50 (estimated)
Pukguksong-1 (KN-11) Sinpo-C: 3 × Pukguksong-3 Hero Kim Kun Ok : 10 × Pukguksong-3 or 4 × Pukguksong-3 and 6 × smaller SLBM
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Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 70 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 70 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 70 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 70 m | Wikipedia contributors | approved |
Sinpo-class submarine equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
North KoreaNavy exact named equipment holdings: 8.24 Yongung (Gorae (Sinpo-B)) (SLBM trials) with. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: SUBMARINES / SSB. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Reported count for Sinpo/Gorae-class. Service scope: Korean People's Navy; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): in service: 2. Origin: unstated. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.