If he spotted a U-boat, not only would he call for backup, he wanted to attack the sub himself.
He died in 1941, just 35, after a German U-boat torpedoed the ship on which he was sailing as a BBC correspondent to Cairo.
Prominent among those struggles was the battle of the Atlantic, waged against the U-boat menace.
I suspect that the production stopped short of plagiarism, but it probably sailed very close to the U-boat.
The U-boat could not be coped with by the building of swarms of submarines.
There was that one which was of the first to cross over for the U-boat hunting game.
Also, they arranged that balmy life-raft and U-boat business this afternoon.
The U-boat man with nerve enough to attack a destroyer is a good one.
The enemy stormed like a wild bull against the iron wall that kept him at a distance from our U-boat base.
Then a large U-boat came boldly to the surface and opened fire.
1916 (said to have been in use from 1913), partial translation of German U-Boot, short for Unterseeboot, literally "undersea boat."