What happened on21 July?
- More officers
Follow us on Twitter @uboatnet
1 ship sunk (7,176 tons).
Locations of ships hit from ON-131.
Approximate convoy routes are shown in a red line. You may have to zoom out to see all data.Left click to zoom-in and right-click to zoom out.
49 convoys on route ON were hit by U-boats in the war. Read more about them.