In 1933 he published a memoir of his World War I U-boat service, Alarm!
By 1912, she was withdrawn from front-line service for use as the second command flagship for the I U-boat Flotilla.
For the rest of her career, she served with U-boat flotillas, first as a flagship for the I U-boat Flotilla and later as a barracks ship for U-boat crews during World War I. she returned to fleet duty with the Reichsmarine after the end of the war, but returned to barracks ship duties starting in 1936, though 1944.
His commanding officer was Korvettenkapitän (Lieutenant Commander) Otto Schultze, a former World War I U-boat commander and later Generaladmiral (general admiral) of the Kriegsmarine.
Author Dwight Messimer, in his book Verschollen: World War I U-boat Losses, reports that the British had deployed a new explosive anti-submarine net at position in the early morning hours of 24 April.
Seiner Majestät UB-4 was a German Type UB I submarine (U-boat) in the German Imperial Navy during World War I.
The British submarine looked fatally like a German U boat.
At the outset of World War I, German U-boats, though numbering only 38, achieved notable successes against British warships; but because of the reactions of neutral powers (especially the United States Germanyy hesitated before adopting unrestricted U-boat warfare against merchant ships.
And when we crossed the sea, we had to do zig zags because of the U boats — I mean, it was quite a dangerous journey, and my father didn't want me to go…but my Mother, who always felt British although she was Swiss, she loved England, quite understood.
While this is the first time I've used the U-boat, I often see it in use in the stacks for oversized flat boxes.
While I was Commander of U-boats, as I have already explained to you, I considered it simply a reprisal order.
