Nahang-class submarine
| Class overview | |
|---|---|
| Name | Nahang | 
| Builders | Marine Industries Organization | 
| Operators | Islamic Republic of Iran Navy | 
| Succeeded by | Ghadir class | 
| Completed | 1 | 
| Cancelled | 2 | 
| Active | 1 | 
| General characteristics | |
| Type | Midget submarine | 
| Length | ≈ 25 m (82 ft) | 
| Beam | ≈ 3 m (9.8 ft) | 
| Draft | ≈ 2.5 m (8 ft 2 in) | 
The Nahang (Persian: نهنگ, lit. 'Whale') is an Iranian-made class of midget submarine designed for shallow water operations. Only one prototype of this class is known to be completed, although its characteristics have remained unclear.