1943 ⟶ U-boat Activity Increases in the Atlantic

Devastating convoy losses in the Atlantic due to increased U...
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1939
1940
1941
1943

🚢 SS Athenia Torpedoed, Beginning of the Battle of the Atlantic

Within hours of the British declaration of War, SS Athenia, a British cruise ship en route from Glasgow, UK, to Montreal, Canada, is torpedoed by the German submarine U-30 250 miles (400 km) Northwest of Ireland. 112 passengers and crew members are killed. The "Battle of the Atlantic" starts.⟶
SS Athenia Torpedoed, Beginning of the Battle of the Atlantic (1939)
Battle of the AtlanticU-boatsGermanyWorld War IINaval WarfareAtlantic OceanWar CrimeSubmarine Warfare

💥 First Merchant Ship Sunk in the Battle of the Atlantic

The British freighter SS Bosnia becomes the first merchant ship sunk in the battle of the Atlantic when it gets targeted off the coast of Portugal by the U-boat U-47.⟶
First Merchant Ship Sunk in the Battle of the Atlantic (1939)
Battle of the AtlanticU-boatsNaval WarfareMerchant ShipsSS BosniaSubmarine WarfareAtlantic Ocean

🚢 Heavy Convoy Losses to U-boats

Heavy convoy losses to U-boats in the Atlantic.⟶
AtlanticU-boatsGerman NavyConvoy WarfareNaval WarfareSubmarine WarfareBattle of the AtlanticMerchant Ships

🚢 German U-boat Offensive Gains Success

German U-boat offensive in the Atlantic is now increasingly successful.⟶
U-boatsAtlantic OceanNaval WarfareSubmarine WarfareBattle of the AtlanticWar at SeaMerchant Shipping

🚢 Atlantic Convoy Suffers Heavy Losses

An Atlantic convoy suffers almost 50% losses to U-boat campaign.⟶
AtlanticConvoyU-boatsBattle of the AtlanticNaval WarfareAllied LossesSubmarine WarfareGerman Navy

🚢 U-boat Activity Increases in the Atlantic

Devastating convoy losses in the Atlantic due to increased U-boat activity; the middle of the Atlantic is apparently not sufficiently covered by planes or ships.⟶
Atlantic OceanU-boatsConvoy WarfareNaval WarfareSubmarine WarfareSupply LinesBattle of the AtlanticLogistics