A painting by John M. Horton depicts HMCS Sackville on North Atlantic convoy duty. [ILLUSTRATION: JOHN M. HORTON, BEAVERBROOK COLLECTION OF WAR ART/CANADIAN WAR MUSEUM—19840654-001

A Night Of Furious Action

Sackville's Remarkable Battles Against The Wolf Pack The first phase of the battle for convoy ON 115 was won by the Royal Canadian Navy. For days the convoy brushed its way past U-boats, and from July 29 to Aug. 1, 1942, it was shadowed by six enemy subs. Escort group C3 did its job. No ships were lost, and best of all, U-588 was sunk in a skilful hunt. In the early hours of Aug. 1, the U-boats that had not been driven off lost contact. Now...
  • MilnerBIG

    Biting Back: Success Against The Wolf Packs

    January 15, 2014 by Marc Milner
    The mid-Atlantic convoy battles of May and June 1942 were a test. In these two months the real damage to Allied fortunes in the Atlantic came off the east coast of the United States and in the Gulf of Mexico, where a U-boat rampage resulted in...
  • Milner_slider
    No one knew it at the time, but the operations of Wolf Pack Hecht in May 1942 marked the recommencement of U-boat attacks on transatlantic convoys (The Wolf Pack Attacks: The Battle For One World War Two Convoy,...
  • Merchant seamen crowd the upper deck of HMCS Shediac. The men were rescued after their respective ships were lost in the battle for convoy ONS 92 in May 1942. [PHOTO: COURTESY MARC MILNER]
    German Admiral Karl Dönitz seized an opportunity in the spring of 1942 when he sent a Wolf Pack—a group of U-boats—into the mid-Atlantic against a slow-moving convoy. The convoy’s escorts could not rob Dönitz of success. When looking at the Atlantic war in the spring of...
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    Running Ragged: The North Atlantic Run

    July 24, 2013 by Marc Milner
    Through the crisis of the Atlantic war in 1942, the Royal Canadian Navy worked much harder than its British and American allies realized. In fact, the RCN ran its escort fleet ragged trying to keep up with demands for more escorts and more convoy...

    Trying To Stay Ahead Of The Pack

    May 24, 2013 by Marc Milner
    The failure to stem the U-boat assault in the St. Lawrence was an embarrassment to the Royal Canadian Navy and the government in 1942. Indeed, it was the clearest manifestation that Mackenzie King’s government and its fleet were not ready for a shooting...
  • MilnerBIG
    The operational crisis of 1942 shaped the nature of the Royal Canadian Navy’s escort fleet for the balance of the war. If the RCN and the minister of defence for naval services had had their way in early 1942, all emergency war construction would be...
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