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Chronology of tonnage sunk & damaged.
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| 
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Cargo | 
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Ilmen+ | 
 2369 tons  
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| 
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Cargo | 
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Kola+ | 
 4300 tons  
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| 
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Tanker | 
 | 
Ose | 
   7986 tons  
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| 
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Passenger/Cargo | 
 | 
Clyde Maru* | 
 5497 tons  
 | 
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| 
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Submarine Chaser | 
 | 
Shinsei Maru | 
 148 tons  
 | 
 | 
| 
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Ex Seaplane tender | 
 | 
Hakkai Maru | 
 2921 tons  
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| 
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Cargo | 
 | 
Unknown* | 
 9900 tons  
 | 
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| 
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Passenger/Cargo | 
 | 
Unknown | 
  6900 tons  
 | 
 | 
| 
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Cargo | 
 | 
Unknown* | 
 6900 tons  
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| 
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Transport | 
 | 
Seia Maru* | 
  6659 tons  
 | 
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| 
 | 
Destroyer | 
 | 
Hirashima | 
 720 tons  
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| 
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Cargo | 
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Sansei Maru | 
 3266 tons 
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| 
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Cargo | 
 | 
Unknown | 
 5100 tons  
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 | 
| 
 | 
Tanker | 
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Unknown* | 
 9500 tons  
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 | 
| 
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Submarine | 
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I-29 | 
 2198 tons  
 | 
 | 
| 
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Tanker | 
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Tachibana Maru | 
 6521tons  
 | 
 | 
| 
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Cargo | 
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Kimikawa Maru | 
 6863 tons  
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| 
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Tankeer | 
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Unknown* | 
 10,100 tons  
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| 
 | 
 | 
 | 
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 97,848  
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* Damaged
+ Soviet cargo ship sunk in error. No USSR idenifacation visible to submarine. Survivors picked from Ilmen up by other Soviet ship and taken to Portland Oregon.
USS Sawfish SS 276 
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