Submarine Operations Research Group Attack Data

USS Barbero (SS-317)

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  1944-09-07  06  Pearl Harbor  1310N  12437E  Twilight  Radar  Surfaced  Twilight  Periscope  Submerged  Mark XVIII Type 1 Torpedo  1  0  TRA  No Damage  100 
2  1944-11-01  03  Fremantle  0905S  11550E  Night  Visual  Surfaced  Night  Visual  Surfaced  Deck Gun  0  0  PAT  No Damage   
2  1944-11-02  09  Fremantle  0430S  11820E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Mark XXIII Torpedo  6  1  AP  Not Final Attack on Target  2700 
2  1944-11-02  11  Fremantle  0430S  11820E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Mark XXIII Torpedo  3  1  AP  Sunk  2700 
2  1944-11-08  22  Fremantle  1401N  11705E  Night  Radar  Surfaced  Night  Radar  Surfaced  Mark XVIII Type 1 Torpedo  4  1  AO  Not Final Attack on Target  7500 
2  1944-11-08  23  Fremantle  1401N  11708E  Night  Radar  Surfaced  Night  Radar  Surfaced  Mark XXIII Torpedo  5  0  AO  Not Final Attack on Target  7500 
2  1944-11-08  24  Fremantle  1401N  11717E  Night  Radar  Surfaced  Night  Radar  Surfaced  Mark XIV Type 3A Torpedo  2  2  AO  Sunk  7500 
2  1944-12-24  00  Fremantle  0245N  11053E  Night  Radar  Surfaced  Night  Radar  Surfaced  Mark XVIII Type 1 Torpedo  4  0  AK  No Damage   
2  1944-12-24  00  Fremantle  0245N  11053E  Night  Radar  Surfaced  Night  Radar  Surfaced  Mark XXIII Torpedo  2  1  AO  Sunk  7500 
2  1944-12-24  00  Fremantle  0245N  11053E  Night  Radar  Surfaced  Night  Radar  Surfaced  Mark XXIII Torpedo  4  1  AO  Damaged  5000 
2  1944-12-24  23  Fremantle  0110N  10820E  Night  Radar  Submerged  Night  Periscope  Submerged  Mark XVIII Electric Torpedo  4  3  AK  Sunk  4000 


   

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 Barbero (SS-317)

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