German submarine U-159 (1941)
Summary of raiding history

Date
Name
Nationality
Tonnage (GRT)
Fate
21 May 1942
Montenol
United Kingdom
2,646
Sunk
21 May 1942
New Brunswick
United Kingdom
6,529
Sunk
2 June 1942
Illinois
United States
5,447
Sunk
5 June 1942
Paracury
Brazil
265
Damaged
5 June 1942
Sally
Honduras
150
Sunk
7 June 1942
Edith
United States
3,382
Sunk
11 June 1942
Fort Good Hope
United Kingdom
7,130
Sunk
13 June 1942
Sixaola
United States
4,693
Sunk
13 June 1942
Solon Turman
United States
6,762
Sunk
18 June 1942
Ante Matkovic
Yugoslavia
2,710
Sunk
22 June 1942
E.J. Sadler
United States
9,639
Sunk
7 October 1942
Boringia
United Kingdom
5,821
Sunk
8 October 1942
Clan Mactavish
United Kingdom
7,631
Sunk
9 October 1942
Coloradan
United States
6,557
Sunk
13 October 1942
Empire Nomad
United Kingdom
7,167
Sunk
29 October 1942
Laplace
United Kingdom
7,327
Sunk
29 October 1942
Ross
United Kingdom
4,978
Sunk
7 November 1942
La Salle
United States
5,462
Sunk
13 November 1942
Star of Scotland
United States
2,290
Sunk
13 November 1942
City of Bombay
United Kingdom
7,140
Sunk
15 December 1942
Star of Suez
Egypt
4,999
Sunk
16 December 1942
East Wales
United Kingdom
4,538
Sunk
28 March 1943
Silverbeech
United Kingdom
5,319
Sunk

Question: How destructive was the German submarine U-159 ?
Answer: German submarine U-159 sank 22 ships, and damaged another weighing 265 tons.