U-Boat Killers
The First U-Boat Sunk With the Aid of Radar
On 17 March 1941 HMS Vanoc, under the command of by Lieutenant Commander James Deneys, became the first ship to detect and sink a German U-boat using radar.
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| HMS Vanoc, V Class Destroyer |
She was accompanied by the destroyers HMS Walker, HMS Volunteer, HMS Sardonyx and HMS Scimitar, with the corvettes HMS Bluebell and HMS Hydrangea also in the group.
On the evening of 16 March 1941 the convoy was attacked by U-boat U-100 and the tanker Erodana was badly damaged. HMS Walker, commanded by Captain Donald MacIntyre, Senior Office Escort, launched a series of counter-attacks against the submarine. Later that night U-100 was joined by U-37 and U-99. Together they launched another attack on the convoy and sank five merchant ships.

