WWI · TURNING POINT ·
Convoy system (1917)
On the WWI map as “The convoy system”
May 1917 — After April’s catastrophe — 860,000 tons sunk in one month — the Admiralty finally groups merchantmen under escort. Losses collapse; the U-boat arithmetic that was supposed to beat America to the field is destroyed within six months.
- When
- Type
- Turning point
- Chapter
- Blockade and U-boat war in WWI (chapter 8 of WWI)
- Atlas
- The Great War, 1871–1923
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