Convoy ONS-154

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Start: Saturday December 26, 1942

Ending: Wednesday December 30, 1942

Attack by 2 wolfpacks of U boats on convoy ONS 154 in the North Atlantic. The losses are horrendous (a third of the merchant ships in the convoy are lost). That was the last straw for the British Admirality. The fight against the U boats became a number 1 priority, paving the way to the victory won in the North Atlantic in the next summer.

Place: North Atlantic

Type: Convoy

	Allies	Germany
Forces	Windeyer (Canadian Escort Group C1): 1 destroyer, 5 corvettes. Reinforcement for the convoy escort. Arrive on the 30th: 4 destroyers. Other vessels sent to reinforce the convoy. They arrive after the battle: 3 destroyers, 4 corvettes, 1 minesweeper. Convoy ONS-154: 3 auxiliary ships, 44 merchant ships. Total: 8 destroyers, 9 corvettes, 1 minesweeper, 3 auxiliary ships, 44 merchant ships	Spitz (Wolfpack of U Boats): 10 submarines. Ungestum (Wolfpack of U boats): 9 submarines. Total: 19 submarines
Losses	2 auxiliary ships, 13 merchant ships, 510 men, 69 893 tons lost. 1 merchant ship, 7 087 tons damaged.	1 submarine lost.

Webmaster's question(s) and remark(s): Not all merchant ships are drawn on the diagrams. The ships without flag in the convoy are those of which nationality I am not sure.

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