history · 04 May 1940 · 84 years ago
German He 115 aircraft bombed British submarine HMS Seal in the Kattegat at 0230 hours. Seal dove from the surface to the depth of 30 meters in response while continuing to deploy mines, her primary mission. While evading anti-submarine trawlers at 1830 hours, she hit a mine and began to settle to the sea floor.
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