Submarine Operations Research Group Attack Data

USS Cavalla (SS-244)

Patrol Number Date Hour (00-23) Operational Command Latitude Longitude Approach Light Condition Approach Image Method Approach Surfaced or Submerged Attack Light Condition Attack Image Method Attack Surfaced or Submerged Weapon Used Number of Torpedoes Fired Number of Torpedo Hits Claimed Target Type Result Estimated Target Tonnage
1  1944-06-19  11  Pearl Harbor  1150N  13757E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Mark XXIII Torpedo  6  3  CV  Sunk  29800 
1  1944-07-18  16  Pearl Harbor  1602N  12300E        Daylight      Deck Gun  0  0  SAM  Sunk  100 
2  1944-10-09  12  Fremantle  1312N  11821E        Daylight  Periscope  Submerged  Mark XVIII Type 1 Torpedo  3  0  AK  No Damage  7500 
2  1944-10-09  12  Fremantle  1312N  11821E        Daylight  Periscope  Submerged  Mark XVIII Type 1 Torpedo  1  0  AO  No Damage   
3  1944-11-25  03  Fremantle  0221N  10720E  Night  Radar  Surfaced  Night  Radar  Surfaced  Mark XXIII Torpedo  4  4  DD  Sunk  2300 
3  1944-12-01  24  Fremantle  1135N  11146E  Night  Periscope  Submerged  Night  Sound  Submerged  Mark XXIII Torpedo  4  0  BB  No Damage  45000 
3  1945-01-05  20  Fremantle  0500S  11216E  Night  Radar  Surfaced  Night  Radar  Surfaced  Mark XXIII Torpedo  0  1  AO  Sunk  2000 
3  1945-01-05  20  Fremantle  0500S  11216E  Night  Radar  Surfaced  Night  Radar  Surfaced  Mark XXIII Torpedo  3  1  AK  Sunk  2000 


   

A complete analysis of the SORG attack data and attacks not in SORG is currently available in the book United States and Allied Submarine Successes in the Pacific and Far East During World War II, 4th ed.

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