This is a list of warships sunk (or seriously damaged) by Naval Special Forces using frogmen/combat swimmers, midget submarines, wet-submarines or explosive boats. Please send any corrections or comments to my email


Sneak attack:

A sudden attack made using stealth, surprise and cunning. Generally involves Special Forces and, in the context of naval warfare, special means such as combat swimmers, human torpedoes, midget submarines or folding canoes

Decima MAS

Great painting Italian frogmen of Decima MAS cutting torpedo nets in order to attack British warships, WW2. The Italians were the masters at this type of thing


**USS Housatonic **

Country: United States

Type: 1,240 ton Sloop

Date: 17 February 1864

Attacked by: Confederate Navy

Means of attack: H.L. Hunley midget submarine

Outcome: Sunk

housatonic


**HMS Erebus **

Country: United Kingdom

Type: 7,200 ton Monitor

Date: 28 October 1917

Attacked by: German Navy

Means of attack: Fernlenkboote (remotely controlled explosive boat)

Outcome: Damaged

Erebus

Erebus in later WW2 camouflage


**SMS Viribus Unitis **

Country: Croatia (ex-Austro-Hungarian Empire)

Type: 22,800 ton Battleship

Date: 1 November 1918

Attacked by: Italian Navy

Means of attack: Mignatta human torpedo

Outcome: Sunk

Viribus Unitis


**HMS York **

Country: United Kingdom

Type: 10,000 ton Heavy Cruiser (York Class)

Date: 26 March 1941

Attacked by: Decima MAS (X-MAS), Italian Navy

Means of attack: MT (Explosive motorboats)

Outcome: Damaged beyond repair

HMS York

HMS York lays disabled in Suda Bay after the attack. Note the low stern.

HMS York

HMS York as she appeared in 1941. Amazing illustration by Alex V.Dashyan, worldnavalships


HMS Queen Elizabeth

Country: United Kingdom

Type: 31,000 ton Battleship

Date: 19 December 1941

Attacked by: Decima MAS (X-MAS), Italian Navy

Means of attack: SLC ‘maiale’ human torpedo

Outcome: Seriously damaged

HMS QE

HMS Queen Elizabeth in Alexandria. The torpedo netsdidn’t help against the Italian maiale

HMS QE

HMS Queen Elizabeth as she appeared in 1943 are repair. Amazing illustration by Alex V.Dashyan, worldnavalships

HMS Valiant

Country: United Kingdom

Type: 29,000 ton Battleship (Queen Elizabeth Class)

Date: 19 December 1941

Attacked by: Decima MAS (X-MAS), Italian Navy

Means of attack: SLC ‘maiale’ human torpedo

Outcome: Seriously damaged

HMS QE


HMS Ramillies

Country: United Kingdom

Type: 33,500 ton Battleship (Revenge Class)

Date: 29 May 1942

Attacked by: Imperial Japanese Navy

Means of attack: Ko-hyoteki-class (Type-A) midget submarine

Outcome: Seriously damaged

HMS Ramillies


Ulpio Traiano

Country: Italy

Type: 5,400 ton Light Cruiser (Capitani Romani Class)

Date: 3 Jan 1943

Attacked by: Royal Navy (/Combined Operations)

Means of attack: Chariot Mk.I human torpedo

Outcome: Sunk

Ulpio Traiano

Ulpio Traiano

The hull of Ulpio Traiano after being raised at the end of the war. Note the water-mark high on her bow where she’d been sunk


Tirpitz

Country: Germany

Type: 58,000 ton Battleship (Bismark Class)

Date: 23 September 1943

Attacked by: Royal Navy / Combined Operations

Means of attack: X-Craft midget submarine

Outcome: Seriously damaged

Tirpitz

Tirpitz

Tirpitz

Tirpitz as she appeared in June 1942. Amazing illustration by Alex V.Dashyan, worldnavalships


Bolzano

Country: Germany (ex-Italy)

Type: 13,800 ton Heavy Cruiser (Tento Class)

Date: 21 June 1944

Attacked by: Royal Navy / Combined Operations with former Decima-MAS

Means of attack: Chariot Mk.1 human torpedoes

Outcome: Seriously damaged

Bolzano


HMS Pylades

Country: United Kingdom

Type: 1,100 ton Minesweeper (Catherine Class)

Date: 8 July 1944

Attacked by: K-Verband, German Navy

Means of attack: Neger human torpedoes

Outcome: Sunk

Pylades

ORP Dragon

Country: Poland

Type: 4,850 tons Destroyer (D-Class)

Date: 8 July 1944

Attacked by: K-Verband, German Navy

Means of attack: Neger human torpedoes

Outcome: Seriously damaged beyond repair, scuttled as artificial reef

Dragon

As HMS Dragon before transfer to the Polish Navy

Dragon

She was so badly damaged that it was decided to scuttle her off the Normandy Coast

HMS Quorn

Country: United Kingdom

Type: 1,000 tons Destroyer Escort (Hunt (Type I) Class)

Date: 3 August 1944

Attacked by: K-Verband, German Navy

Means of attack: Neger human torpedoes or Linsen explosive boats (not confirmed at time, joint attack)

Outcome: Sunk

quorn


USS PC-1129

Country: United States

Type: 450 tonSubmarine chaser (PC-461 Class)

Date: 31 January 1945

Attacked by: Japanese Navy

Means of attack: Shin’yō suicide boat

Outcome: Sunk

PC-1129


Aquila

Country: Germany (ex-Italian)

Type: 27,000 ton Aircraft Carrier

Date: 19 April 1945

Attacked by: Mariassalto, Italy (former Decima-MAS fighting for Allies)

Means of attack: Chariot Mk.I human torpedo

Outcome: Damaged

Aquila


USS Hutchins

Country: United States

Type: 2,050 ton Destroyer (Fletcher Class)

Date: 27 April1945

Attacked by: Japanese Navy

Means of attack: Shin’yō suicide boat

Outcome: Damaged

Hutchins


USS Underhill

Country: United States

Type: 1,673 ton Destroyer Escort (Buckley Class)

Date: 24 July 1945

Attacked by: Imperial Japanese Navy, Japan

Means of attack: Kaiten human torpedo (suicide weapon)

Outcome: Sunk

Underhill


Takao

Country: Japan

Type: 15,400 ton Heavy Cruiser

Date: 31 July 1945

Attacked by: Royal Navy / Combined Operations

Means of attack: XE-Craft midget submarine

Outcome: Disabled

Takao


Emir Farouk

Country: Egypt

Type: 1,441 ton armed yacht

Date: 22 October 1948

Attacked by: Haganah, Israel

Means of attack: MT explosive motorboat

Outcome: Sunk

Emir Farouk


2 x P-6 torpedo boats

Country: Egypt

Type: 66 ton Torpedo boats (Project 183 Bolshevik (P-6) Class )

Date: 7 September 1969

Attacked by: Flotilla-13, Israel

Means of attack: Maiale SDVs (combat swimmers)

Outcome: One sunk, one seriously damaged or sunk

p6 Not Egyptian examples but same type


1 x KOMAR missile boat

Country: Egypt

Type: 61 ton Missile boat (Project 183 KOMAR Class )

Date: 11 October 1973

Attacked by: Flotilla-13, Israel

Means of attack: Frogmen (combat swimmers)

Outcome: Sunk

KOMAR KOMAR Missile boats of the Egyptian Navy

1 x OSA-1 missile boat

Country: Egypt

Type: 171 ton Missile boat (Project 205 OSA-1 Class )

Date: 16 October 1973

Attacked by: Flotilla-13, Israel

Means of attack: Maiale SDVs (combat swimmers)

Outcome: Sunk

OSA-1 More recent photograph of one that wasn’t sunk

1 x P-6 torpedo boat

Country: Egypt

Type: 66 ton Torpedo boats (Project 183 Bolshevik (P-6) Class )

Date: 16 October 1973

Attacked by: Flotilla-13, Israel

Means of attack: Maiale SDVs (combat swimmers)

Outcome: Sunk

1 x Landing craft

Country: Egypt

Type: TBC

Date: 16 October 1973

Attacked by: Flotilla-13, Israel

Means of attack: Maiale SDVs (combat swimmers)

Outcome: Sunk

1 x patrol boat

Country: Egypt

Type: TBC

Date: 16 October 1973

Attacked by: Flotilla-13, Israel

Means of attack: Maiale SDVs (combat swimmers)

Outcome: Sunk

1 x KOMAR missile boat

Country: Egypt

Type: 61 ton Missile boat (Project 183 KOMAR Class )

Date: 21 October 1973

Attacked by: Flotilla-13, Israel

Means of attack: Snunit fast boats (armed with LAWS)

Outcome: Destroyed


MGN-202 Presidente Porras

Country: Panama

Type: Patrol boat (Swift type)

Date: 23 December 1989

Attacked by: USN SEALs, USA

Means of attack: Combat swimmers

Outcome: Blown to smithereens

Pdte Porras Instantly converted from being the largest warship in the Panamanian Navy to being the smallest


PČ 176 Mukos

Country: Yugoslavia

Type: 142 ton patrol boat (Mirna Class)

Date: 14 November 1991

Attacked by: Former-82 Maritime Unit, Croatia

Means of attack: Combat swimmers with stand-off mini-torpedo

Outcome: Sunk, later salvaged

Mukos, before

Mukos, after


ROKS Cheonan

Country: South Korea

Type: 1,200 ton Corvette (Pohang Class)

Date: 26 March 2010

Attacked by: KWP Reconnaissance Bureau, North Korea

Means of attack: MS-29 Yono Class midget submarine

Outcome: Sunk

Cheonan

Cheonan