The U-boat's surface armament included two antiaircraft guns and a 4.1-inch deck gun that could fire 15 rounds per minute. Life aboard the German submarine Built to endure longer voyages and dive ...

This watch looks rather unremarkable, but in fact this German ... of a deck watch is a watch that is used at sea for keeping precise time – either on a ship or on a U-boat.

Its primary objective in the Atlantic: to spot and report German U-boats ... Smith stepped below deck and saw what Arnall was doing, he proceeded to take out his own gun, a ...