The Twitter feed for Navy Wings led me to this:
80th Anniversary of the Battle of the Atlantic
“The Battle of the Atlantic was the dominating factor all through the war. Never for one moment could we forget that everything happening elsewhere, on land at sea or in the air, depended ultimately on its outcome.” Winston Churchill
More pages:
Battle of the Atlantic 80
The Crucial Role of the Swordfish
Desperate Times Call for Desperate Measures
Escort Carriers operating Grumman Martlet Fighters
The MAC Ships
The Swordfish - Anti Submarine Warfare