Submarine Operations Research Group Attack Data

USS Grenadier (SS-210)

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
1942-03-07    Pearl Harbor  3627N  14106E        Daylight  Periscope  Submerged  Mark XIV Type 1 Torpedo  AK  Damaged  5000 
1942-05-01    Pearl Harbor  3200N  12825E        Night  Periscope  Submerged  Mark XIV Type 1 Torpedo  AK  Sunk  9500 
1942-05-08    Pearl Harbor  3040N  12754E        Daylight  Periscope  Submerged  Mark XIV Type 1 Torpedo  AP  Sunk  14900 
1942-07-30    Pearl Harbor  0711N  15122E        Daylight  Periscope  Submerged  Mark XV Torpedo  AO  Sunk  15000 
1942-11-12    Pearl Harbor  1118N  10902E        Night  Visual  Surfaced    AK  No Damage   
1942-11-12    Pearl Harbor  1118N  10902E        Night  Visual  Surfaced    AK  No Damage   
1943-01-10  07  Fremantle  0618S  11244E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Deck Gun  SAM  Sunk  100 
1943-01-11  16  Fremantle  0624S  11254E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged    AK  No Damage  3000 
1943-01-12  21  Fremantle  0633S  11231E  Night  Periscope  Submerged  Night  Periscope  Surfaced  Deck Gun  AK  Sunk  500 
1943-01-12  21  Fremantle  0633S  11231E  Night  Periscope  Submerged  Night  Periscope  Surfaced  Deck Gun  AK  Sunk  700 
1943-01-22  12  Fremantle  0122S  11652E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged    AK  No Damage  6800 
1943-01-22  12  Fremantle  0122S  11652E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged    AK  Damaged  7000 
1943-01-31  13  Fremantle  0458S  11901E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged    AK  No Damage  1000 


   

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
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