Submarine

Ballistic missile submarine

Cruise missile submarine

Merchant submarine

Midget submarine

SSG (hull classification symbol)

SSK (hull classification symbol)

SSN (hull classification symbol)

U-boat

SM U-14 (Austria-Hungary)

List of submarines of England

Vanguard class submarine

List of U-boats of Germany

German Type UB I submarine ( Good topic)

German Type UC I submarine

German Type U 151 submarine

German Type U 66 submarine ( Good topic)

SM U-66

German Type IXA submarine ( Good topic)

German submarine U-37 (1938)

German submarine U-38 (1938)

German submarine U-39 (1938)

German submarine U-40 (1938)

German submarine U-41 (1939)

German submarine U-42 (1939)

German submarine U-43 (1939)

German submarine U-44 (1939)

Type 206 submarine

Type 209 submarine

Leninets class submarine

Typhoon class submarine

Yasen class submarine

List of submarines of the United States Navy

George Washington class submarine

USS Triton (SSRN-586)

Ethan Allen class submarine

List of Ohio class submarines

Ehime Maru and USS Greeneville collision
Nyon Conference