Wikimedi'Òc

Anti-submarine net 1.JPG - Halibutt

Anti-submarine net 2.JPG - Halibutt

Anti-submarine net between Fort York Redoubt and McNabs Island.jpg - Ras67

Formidable Sydney Boom (AWM P00444-047).jpg - Cobatfor

Uboot netz 1.jpg - Gonzosft

Operation Walross Anti Submarine Net.jpg - Tertiumdatur

Anti sub boom net sydney harbour.jpg - File Upload Bot (Magnus Manske)

Anti-submarine nets, Scapa Flow - geograph.org.uk - 374074.jpg - GeographBot

Anti-submarine net anchor tripod, Flotta - geograph.org.uk - 932316.jpg - GeographBot

Anti-submarine net reef, Calf Sound, Flotta, Scapa Flow - geograph.org.uk - 932323.jpg - GeographBot

Royal Navy Vessels Maintain the Boom Defence at Scapa Flow, Scotland, May 1943 A16572.jpg - Ich

The Royal Navy during the Second World War A16574.jpg - Ich

The Royal Navy during the Second World War A16583.jpg - Ich

The Royal Navy during the Second World War A17356.jpg - Ich

The Royal Navy during the Second World War A17161.jpg - Ducksoup

The Royal Navy during the Second World War A9395.jpg - Ich

The Royal Navy during the Second World War A10213.jpg - Ducksoup

The Women's Royal Naval Service during the Second World War A15234.jpg - Ich

The Royal Navy during the Second World War A30363.jpg - Ich

Great North Road submarine nets.jpg - Victuallers

An officer of the Womens Royal Naval Service (WRNS) supervising the wiring together of glass floats on an anti-submarine mine net during the First World War. Q19640.jpg - Ducksoup

British Submarine 'unruffled' Home With Honours. 15 February 1943, Malta, HMS Unruffled, Just Returned From the Mediterranean Where She Supported the Allied Victories in North Africa, Sicily and Italy A14688.jpg - Ich

British Submarine 'unruffled' Home With Honours. 15 February 1943, Malta, HMS Unruffled, Just Returned From the Mediterranean Where She Supported the Allied Victories in North Africa, Sicily and Italy A14685.jpg - Ich

British Submarine 'unruffled' Home With Honours. 15 February 1943, Malta, HMS Unruffled, Just Returned From the Mediterranean Where She Supported the Allied Victories in North Africa, Sicily and Italy A14686.jpg - Ich

The Royal Navy on the Home Front, 1914-1918 Q18687.jpg - Ich

ALLIED WOMEN REPAIR NAVAL GEAR IN MEDITERRANEAN PORT. 6 AND 7 OCTOBER 1943, BEIRUT. SOME 150 GIRLS OF LEBANESE, ARMENIAN, GREEK, AND OTHER NATIONALITIES ARE WORKING FULL TIME FOR THE ROYAL NAVY. CLEANING AND PA A20014.jpg - Fæ

ALLIED WOMEN REPAIR NAVAL GEAR IN MEDITERRANEAN PORT. 6 AND 7 OCTOBER 1943, BEIRUT. SOME 150 GIRLS OF LEBANESE, ARMENIAN, GREEK, AND OTHER NATIONALITIES ARE WORKING FULL TIME FOR THE ROYAL NAVY. CLEANING AND PA A20009.jpg - Fæ

ALLIED WOMEN REPAIR NAVAL GEAR IN MEDITERRANEAN PORT. 6 AND 7 OCTOBER 1943, BEIRUT. SOME 150 GIRLS OF LEBANESE, ARMENIAN, GREEK, AND OTHER NATIONALITIES ARE WORKING FULL TIME FOR THE ROYAL NAVY. CLEANING AND PA A20007.jpg - Fæ

ALLIED WOMEN REPAIR NAVAL GEAR IN MEDITERRANEAN PORT. 6 AND 7 OCTOBER 1943, BEIRUT. SOME 150 GIRLS OF LEBANESE, ARMENIAN, GREEK, AND OTHER NATIONALITIES ARE WORKING FULL TIME FOR THE ROYAL NAVY. CLEANING AND PA A20008.jpg - Fæ

ALLLIED WOMEN REPAIR NAVAL GEAR IN MEDITERRANEAN PORT. 6 AND 7 OCTOBER 1943, BEIRUT. SOME 150 GIRLS OF LEBANESE, ARMENIAN, GREEK, AND OTHER NATIONALITIES ARE WORKING FULL TIME FOR THE ROYAL NAVY. CLEANING AND P A20006.jpg - Fæ

Siec przeciwtorpedowa MWP.jpg - Zala

Sydney Harbour WW2 boom.jpg - Merbabu