The convoy was tracked by the German U-boat "U- 87", commanded by Joachim Berger, and at 4.17 hours on the morning of 16 June he fired a torpedo at the convoy, which was then 100 miles off Portland, Maine.
The convoy was tracked by the German U-boat "U- 87", commanded by Joachim Berger. At 4.17 hours on the morning of 16 June 1942 he fired a torpedo at the convoy, which was then off Portland, Maine.