The U.S. SUBMARINE WAR
  in the PACIFIC  1941 - 1945


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Monthly Totals of Ships and Tonnage Sunk
 The WWII U.S. Silent Service in the Pacific 1941 - 1945
 


 

Month

Ships Sunk Tonnage # Days on Patrol
December (1941) 6 31,693 281
Total 6 31,693 281
     

Month

Ships Sunk Tonnage # Days on Patrol
January (1942) 7 28,351 322
February (1942) 5 15,975 363
March (1942) 7 26,183 363
April (1942) 5 26,886 396
May (1942) 20 86,110 396
June (1942) 6 20,021 446
July (1942) 8 39,356 437
August (1942) 17.5 76,652 462
September (1942) 11 30,389 454
October (1942) 25 118,920 504
November (1942) 8 35,358 512
December (1942) 14 48,271 512
Total 133.5 552,472 4,886
     

Month

Ships Sunk Tonnage # Days on Patrol
January (1943) 18 80,572 57
February (1943) 10.5 54,276 405
March (1943) 26 109,447 442
April (1943) 19 105,345 448
May (1943) 29 122,319 437
June (1943) 25 101,581 659
July (1943) 20 82,784 532
August (1943) 19 80,799 858
September (1943) 38 157,002 697
October (1943) 27 119,623 648
November (1943) 44.5 231,683 572
Decenber (1943) 32 121,531 407
Total 308 1,366,962 6,682
     

Month

Ships Sunk Tonnage # Days on Patrol
January (1944) 50 240,840 824
February (1944) 54 256,797 593
March (1944) 26 106,529 689
April (1944) 23 95,242 775
May (1944) 63.5 264,713 1,063
June (1944) 48 195,020 824
July (1944) 48 212,907 1,275
August (1944) 49 245,348 1,056
September (1944) 47 181,363 850
October (1944) 68.5 328,843 1,306
November (1944) 53.5 220,475 1,317
Decenber (1944) 18 103,836 1,128
Total 548.5 2,451,913 11,700
     

Month

Ships Sunk Tonnage # Days on Patrol
January (1945) 22 93,796 1,066
February (1945) 15 55,746 1,093
March (1945) 23.5 70,727 1,217
April (1945) 18 60,696 1,045
May (1945) 17 32,394 1,014
June (1945) 43 92,267 1,067
July (1945) 12 27,408 901
August (1945) 4 14,550 338
Total 154.5 447,584 7,741
     
Totals Ships Sunk Tonnage # Days on Patrol
1941 6 31,693 281
1942 133.5 552,472 4,886
1943 308 1,366,962 6,682
1944 548.5 2,451,913 11,700
1945 154.5 447,584 7,741

Grand Total

1150.5 4,850,624 31,290
   

Y

Tonnage of Ships Sunk Dec 1941 - August 1945

Z

  RESOURCE NOTES:
Product photo
United States Submarine Operations in World War II
By Theodore Roscoe
United States Naval Institute
George Banta Company Inc Copyright 1949
Product photo Silent Victory: The U.S. Submarine War Against Japan
By Clay Blair
J.B. Lippincott Company
Copyright 1975
Product photo Subs Against the Rising Sun:
U.S. Submarines in the Pacific

By Keith H. Milton
Yucca Free Press
Copyright 2000
  U. S. Submarines in World War II:
An Illustrated History of the Pacific

By Larry Kimmett & Margaret Regis
Navigator Publishing
Copyright 191996
 
   

 


 
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