He categorically states that (1 the 'Stock Force' fought with UB80 and not U98 as was stated in the brochure (2 the U boat was not completely destroyed but, despite serious damage, made it back to base.
Whereas the monthly losses up till then varied as the diagram shows between 4, 2, 5, 3, 4, or 2 U-boats, from July the losses per month jumped to 10, 11, 8, 13, 14.
By the end of the war Germany had built 334 U-boats and had 226 under construction.
Of the 632 U-boats sunk at sea, Allied surface ships and shore-based aircraft accounted for the great majority (246 and 245 respectively).
The 100 or more convoy battles which took place cost the Merchant Navy an estimated 30,000 men and around 3,000 ships; the equally terrible cost for the Germans was 783 U-boats and 28,000 sailors.
At the same time, the Germans, who had 111 U-boats operational when the unrestricted campaign began, had embarked on an extensive building program that, when weighed against their current losses of one or two U-boats per month, promised a substantial net increase in the U-boats' numbers.
It is believed it could be UB122, which was among more than 100 U-boats which surrendered at the end of the war and brought to the River Medway to be scrapped.
On 9 May 1942 Lüth was given command of a long-range Type IXD-2 U-boat,.
Most of these kills were made by 18 U-boats.
In May the Command sighted 202 U-boats and attacked 128.
During this period, 41 U-Boats passed through the Bay, with 26 sightings and 15 attacks.
