Type 033 Class (Romeo Class) Chinese Diesel-Electric Submarine

Type 033 Class / Type 033 Class; NATO: Romeo Class

Sang-O Class North Korean Diesel-Electric Submarine

Sang-O

Oscar II Class (Project 949A Antey Class) Russian Nuclear-Powered Cruise Missile Submarine

Oscar II Class / Oscar II Class; Project 949A Antey Class

Fateh Class Iranian Diesel-Electric Submarine

Fateh Class / Fateh Class

Cakra 401 Class Indonesian Diesel-Electric Submarine

Cakra 401 Class / Cakra 401 Class

Shishumar Class Indian Diesel-Electric Attack Submarine

Shishumar Class / Shishumar Class

Kalvari Class Indian Diesel-Electric Attack Submarine

Kalvari Class / Kalvari Class; Project 75 (P75) Class

Borei Class (Project 955 Borei Class) Russian Nuclear-Powered Ballistic Missile Submarine

Akula Class (Project 971 Shchuka-B Class) Russian Nuclear-Powered Attack Submarine

Akula Class / Akula Class; Project 971 Shchuka-B Class

Arihant Class Indian Nuclear Ballistic Missile Submarine

Arihant Class / Arihant Class

K-329 Belgorod Class (Project 09852 Class ) Russian Nuclear Submarine

K-329 Belgorod / K-329 Belgorod; Project 09852

Akula II Class (Project 971U Class) Russian Nuclear-Powered Attack Submarine

Akula II-Class / Akula II-Class; Project 971U Class