World Battlefronts: BATTLE OF THE ATLANTIC: Not a Ship, Not a Man

A joint communiqué of the British Admiralty and Air Ministry last week: A force of U-boats estimated to number between 25 and 30 . . . was subjected to such a relentless assault by surface escorts of the Royal Navy and by aircraft of the Coastal Command that the enemy was denied the opportunity to launch even one attack against a large and valuable eastbound convoy.

Almost on the first clear day out of port, a Liberator had found three U-boats stalking the convoy preparing for attack. The big plane dropped its depth...