Romanian submarines edit
340-t type submarines
S4 submarines (1947-1953/1954-1957)
- S4
- S3
- S4
- TS4
 Soviet and  Russian Navies |
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 Algerian National Navy |
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 People's Liberation Army Navy |
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 Indian Navy |
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 Islamic Republic of Iran Navy |
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 Polish Navy |
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 Romanian Naval Forces |
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 Vietnam People's Navy |
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 Myanmar Navy |
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User:Derekbridges/sandbox/Kilo class submarine
- (ex-Kilo class) - 1985
Midget submarine edit
- (ex-Italian CB class)
- CB1
- CB2
- CB3
- CB4
- CB6