Submarine Operations Research Group Attack Data

USS Becuna (SS-319)

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
1944-07-07  20  Atlantic  1849N  06806W        Night  Radar  Surfaced  Mark XXIII Torpedo  SS  No Damage  700 
1944-09-24  15  Pearl Harbor  2128N  11857E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Mark XXIII Torpedo  AK  No Damage  5200 
1944-09-25  15  Pearl Harbor  2128N  11857E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Mark XXIII Torpedo  DD  No Damage  1200 
1944-10-08  01  Fremantle  1405N  11538E        Night  Periscope  Submerged  Mark XXIII Torpedo  AO  Damaged  5000 
1944-10-09  17  Fremantle  1245N  11800E        Daylight  Periscope  Submerged  Mark XVIII Type 1 Torpedo  AO  Sunk  5000 
1944-10-09  17  Fremantle  1245N  11800E        Daylight  Periscope  Submerged    AO  Sunk  5000 
1944-10-09  17  Fremantle  1245N  11800E        Daylight  Periscope  Submerged  Mark XXIII Torpedo  AP  Damaged  7500 
1944-10-09  17  Fremantle  1245N  11800E        Daylight  Periscope  Submerged  Mark XXIII Torpedo  AK  Damaged  4000 
1944-10-09  17  Fremantle  1245N  11800E        Daylight  Periscope  Submerged  Mark XXIII Torpedo  AK  No Damage  6100 
1945-01-02  07  Fremantle  0550S  11312E        Daylight      Deck Gun  MIS  Sunk  300 
1945-01-02  13  Fremantle  0609S  11333E        Daylight      Deck Gun  TRK  Sunk  800 
1945-02-22  09  Fremantle  1128N  10906E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Mark XVIII Type 1 Torpedo  DD  No Damage  2300 
1945-02-22  09  Fremantle  1128N  10906E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Mark XXIII Torpedo  AO  Sunk  7500 


   

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.

More Info About the Book:
McFarland & Company
Amazon

For more information on this submarine:
WW2DB: USS Becuna (SS-319)

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