U.S. WW II SUBMARINE WAR PATROL REPORTS

At the end of each war patrol of WW II, submarine commanders created a report on the patrol. These reports were used as the raw material to inform intelligence, improve tactics, evaluate commanders, etc. During WW II, over 1,550 patrol reports containing approximately 63,000 pages were generated. During the 1970s these were photographed and reproduced on microfilm to make them more easily accessible and easily reproduced (approx. 250 rolls). During 2008 a copy of this microfilm was scanned into digital format (110 GB), and in 2009 it was made available online (14 GB).

These war patrol reports were written during a deadly, bitterly fought war. Please note that there may be some references to enemy forces that may be offensive in today's context.

At the end of the war patrol reports there are appendices that provide tabulations of information across multiple war patrols.

SS-116_S-11
SS-118_S-13
SS-120_S-15
SS-122_S-17
SS-123_S-18
SS-128_S-23
SS-131_S-26
SS-132_S-27
SS-133_S-28_Part1
SS-133_S-28_Part2
SS-135_S-30
SS-136_S-31
SS-137_S-32
SS-138_S-33
SS-139_S-34
SS-140_S-35
SS-141_S-36
SS-142_S-37
SS-143_S-38
SS-144_S-39
SS-145_S-40
SS-146_S-41
SS-153_S-42
SS-154_S-43
SS-155_S-44
SS-156_S-45
SS-157_S-46
SS-158_S-47
SS-163_BARRACUDA
SS-164_BASS
SS-165_BONITA
SS-166_ARGONAUT
SS-167_NARWHAL_Part1
SS-167_NARWHAL_Part2
SS-168_NAUTILUS
SS-169_DOLPHIN
SS-170_CACHALOT
SS-171_CUTTLEFISH
SS-172_PORPOISE
SS-173_PIKE
SS-175_TARPON_Part1
SS-175_TARPON_Part2
SS-176-SS-313_PERCH
SS-177_PICKEREL
SS-178_PERMIT_Part1
SS-178_PERMIT_Part2
SS-178_PERMIT_Part3
SS-179_PLUNGER
SS-180_POLLACK
SS-181_POMPANO
SS-182_SALMON_Part1
SS-182_SALMON_Part2
SS-183_SEAL_Part1
SS-183_SEAL_Part2
SS-184_SKIPJACK
SS-185_SNAPPER_Part1
SS-185_SNAPPER_Part2
SS-186_STINGRAY
SS-187_STURGEON
SS-188_SARGO_Part1
SS-188_SARGO_Part2
SS-189_SAURY_Part1
SS-189_SAURY_Part2
SS-190_SPEARFISH
SS-191_SCULPIN
SS-192_SAILFISH
SS-193_SWORDFISH_Part1
SS-193_SWORDFISH_Part2
SS-194_SEADRAGON_Part1
SS-194_SEADRAGON_Part2
SS-196_SEARAVEN_Part1
SS-196_SEARAVEN_Part2
SS-197_SEAWOLF_Part1
SS-197_SEAWOLF_Part2
SS-198_TAMBOR_Part1
SS-198_TAMBOR_Part2
SS-199_TAUTOG_Part1
SS-199_TAUTOG_Part2
SS-199_TAUTOG_Part3
SS-200_THRESHER
SS-201_TRITON
SS-202_TROUT
SS-203_TUNA_Part1
SS-203_TUNA_Part2
SS-206_GAR
SS-207_GRAMPUS
SS-208_GRAYBACK
SS-209_GRAYLING
SS-210_GRENADIER
SS-211_GUDGEON_Part1
SS-211_GUDGEON_Part2
SS-212_GATO_Part1
SS-212_GATO_Part2
SS-212_GATO_Part3
SS-213_GREENLING_Part1
SS-213_GREENLING_Part2
SS-214_GROUPER
SS-215_GROWLER
SS-216_GRUNION
SS-217_GUARDFISH_Part1
SS-217_GUARDFISH_Part2
SS-217_GUARDFISH_Part3
SS-218_ALBACORE_Part1
SS-218_ALBACORE_Part2
SS-219_AMBERJACK
SS-220_BARB_Part1
SS-220_BARB_Part2
SS-221_BLACKFISH_Part1
SS-221_BLACKFISH_Part2
SS-222_BLUEFISH_Part1
SS-222_BLUEFISH_Part2
SS-223_BONEFISH_Part1
SS-223_BONEFISH_Part2
SS-224_COD_Part1
SS-224_COD_Part2
SS-225_CERO_Part1
SS-225_CERO_Part2
SS-227_DARTER
SS-228_DRUM_Part1
SS-228_DRUM_Part2
SS-229_FLYING_FISH_Part1
SS-229_FLYING_FISH_Part2
SS-230_FINBACK_Part1
SS-230_FINBACK_Part2
SS-231_HADDOCK
SS-232_HALIBUT
SS-233_HERRING
SS-234_KINGFISH_Part1
SS-234_KINGFISH_Part2
SS-234_KINGFISH_Part3
SS-235_SHAD
SS-236_SILVERSIDES_Part1
SS-236_SILVERSIDES_Part2
SS-237_TRIGGER_Part1
SS-237_TRIGGER_Part2
SS-238_WAHOO
SS-239_WHALE
SS-240_ANGLER
SS-241_BASHAW
SS-242_BLUEGILL_Part1
SS-242_BLUEGILL_Part2
SS-243_BREAM
SS-244_CAVALLA
SS-245_COBIA
SS-246_CROAKER
SS-247_DACE_Part1
SS-247_DACE_Part2
SS-247_DACE_Part3
SS-249_FLASHER
SS-250_FLIER
SS-251_FLOUNDER
SS-252_GABILAN
SS-253_GUNNEL
SS-254_GURNARD
SS-255_HADDO
  SS-256_HAKE
SS-257_HARDER
SS-258_HOE
SS-259_JACK
SS-260_LAPON
SS-261_MINGO
SS-262_MUSKALLUNGE
SS-263_PADDLE
SS-264_PARGO_Part1
SS-264_PARGO_Part2
SS-265_PETO_Part1
SS-265_PETO_Part2
SS-266_POGY
SS-267_POMPON
SS-268_PUFFER
SS-269_RASHER_Part1
SS-269_RASHER_Part2
SS-270_RATON_Part1
SS-270_RATON_Part2
SS-271_RAY_Part1
SS-271_RAY_Part2
SS-272_REDFIN
SS-273_ROBALO
SS-274_ROCK
SS-275_RUNNER
SS-276_SAWFISH
SS-277_SCAMP
SS-278_SCORPION
SS-279_SNOOK
SS-280_STEELHEAD
SS-281_SUNFISH
SS-282_TUNNY_Part1
SS-282_TUNNY_Part2
SS-283_TINOSA_Part1
SS-283_TINOSA_Part2
SS-284_TULLIBEE
SS-285_BALAO
SS-286_BILLFISH
SS-287_BOWFIN_Part1
SS-287_BOWFIN_Part2
SS-288_CABRILLA
SS-289_CAPELIN
SS-291_CREVALLE_Part1
SS-291_CREVALLE_Part2
SS-292_DEVILFISH
SS-293_DRAGONET
SS-295_HACKLEBACK
SS-298_LIONFISH
SS-299_MANTA
SS-300_MORAY
SS-304_SEAHORSE_Part1
SS-304_SEAHORSE_Part2
SS-305_SKATE
SS-306_TANG
SS-307_TILEFISH
SS-308_APOGON
SS-309_ASPRO
SS-310_BATFISH_Part1
SS-310_BATFISH_Part2
SS-311_ARCHERFISH
SS-312_BURRFISH_Part1
SS-312_BURRFISH_Part2
SS-314_SHARK
SS-315_SEALION
SS-316_BARBEL
SS-317_BARBERO
SS-318_BAYA
SS-319_BECUNA
SS-320_BERGALL
SS-321_BESUGO
SS-322_BLACKFIN
SS-323_CAIMAN
SS-324_BLENNY_Part1
SS-324_BLENNY_Part2
SS-325_BLOWER
SS-326_BLUEBACK
SS-327_BOARFISH
SS-328_CHARR
SS-329_CHUB
SS-330_BRILL
SS-331_BUGARA
SS-332_BULLHEAD
SS-333_BUMPER
SS-334_CABEZON
SS-335_DENTUDA
SS-336_CAPITAINE
SS-337_CARBONERO
SS-338_CARP
SS-339_CATFISH
SS-340_ENTEMEDOR
SS-361_GOLET
SS-362_GUAVINA
SS-363_GUITARRO
SS-364_HAMMERHEAD
SS-365_HARDHEAD
SS-366_HAWKBILL
SS-367_ICEFISH
SS-368_JALLAO
SS-369_KETE
SS-370_KRAKEN
SS-371_LAGARTO
SS-372_LAMPREY
SS-373_LIZARDFISH
SS-374_LOGGERHEAD
SS-375_MACABI
SS-381_SANDLANCE
SS-382_PICUDA
SS-383_PAMPANITO
SS-384_PARCHE
SS-385_BANG
SS-386_PILOTFISH
SS-387_PINTADO
SS-388_PIPEFISH
SS-389_PIRANHA
SS-390_PLAICE
SS-391_POMFRET
SS-392_STERLET
SS-393_QUEENFISH
SS-394_RAZORBACK
SS-395_REDFISH
SS-396_RONQUIL
SS-397_SCABBARDFISH
SS-398_SEGUNDO
SS-399_SEA_CAT
SS-400_SEA_DEVIL
SS-401_SEA_DOG
SS-402_SEA_FOX
SS-403_ATULE
SS-404_SPIKEFISH
SS-405_SEA_OWL
SS-406_SEA_POACHER
SS-407_SEA_ROBIN
SS-408_SENNET
SS-409_PIPER
SS-410_THREADFIN
SS-411_SPADEFISH
SS-412_TREPANG_Part1
SS-412_TREPANG_Part2
SS-413_SPOT
SS-414_SPRINGER
SS-415_STICKLEBACK
SS-417_TENCH
SS-418_THORNBACK
SS-419_TIGRONE
SS-420_TIRANTE
SS-421_TRUTTA
SS-422_TORO
SS-423_TORSK
SS-424_QUILLBACK
SS-478_CUTLASS
SS-479_DIABLO

Appendicies

1_Boat_Name by Boat Name
2_CO_Name by Commanding Officer
3_Date_Departed by Date Departed
4_CO_Additional_Part1 CO Additional Part1
4_CO_Additional_Part2 CO Additional Part2
5_Boat_Patrol# by Boat Patrol#
6_Date_Time_Attack by Date/Time of Attack
7_Position_Attack by Position of Attack
  8_Target_Type by Target Type
9_Date_Hour_Contact by Date/Hour of Contact
10_Position_Contact by Position of Contact
11_Pilot_Rescues by Pilot Rescues
12_CounterA_Boat_Patrol by Counter Attack, Boat/Patrol
13_CounterA_Date_Hour by Counter Attack Date/Hour
14_CounterA_Damage_Sustained by Counter Attack Damage Sustained
15_CounterA_Position by Counter Attack Position

We also have the Special Operation Research Group Summary of US Submarine Attacks in WW II in an Excel formatted spreadsheet.

We thank John Clear EMC (SS) USN Ret. and Dan Martini EMCM(SS) USN Ret. for their generous donation of the digital copies of these war patrol reports used to create this online version. We also wish to thank the Naval Undersea Museum for loaning their microfilm copies of the war patrol reports for the project. The online versions have been compressed and optimized for online reading by webmaster Rich Pekelney.

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