HNSA Crest with photos of visitors at the ships.

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 easly 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 here (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 appendicies that provide tabulations of information accross multiple war patrols. In addition, there is an Excel formatted spreadsheet with the Special Operation Research Group Summary of US Submarine Attacks in WW II.

SS-116, USS S-11
SS-118, USS S-13
SS-120, USS S-15
SS-122, USS S-17
SS-123, USS S-18
SS-128, USS S-23
SS-131, USS S-26
SS-132, USS S-27
SS-133, USS S-28, Part 1
SS-133, USS S-28, Part 2
SS-135, USS S-30
SS-136, USS S-31
SS-137, USS S-32
SS-138, USS S-33
SS-139, USS S-34
SS-140, USS S-35
SS-141, USS S-36
SS-142, USS S-37
SS-143, USS S-38
SS-144, USS S-39
SS-145, USS S-40
SS-146, USS S-41
SS-153, USS S-42
SS-154, USS S-43
SS-155, USS S-44
SS-156, USS S-45
SS-157, USS S-46
SS-158, USS S-47
SS-163, USS BARRACUDA
SS-164, USS BASS
SS-165, USS BONITA
SS-166, USS ARGONAUT
SS-167, USS NARWHAL, Part 1
SS-167, USS NARWHAL, Part 2
SS-168, USS NAUTILUS
SS-169, USS DOLPHIN
SS-170, USS CACHALOT
SS-171, USS CUTTLEFISH
SS-172, USS PORPOISE
SS-173, USS PIKE
SS-175, USS TARPON, Part 1
SS-175, USS TARPON, Part 2
SS-176, SS-313, USS PERCH
SS-177, USS PICKEREL
SS-178, USS PERMIT, Part 1
SS-178, USS PERMIT, Part 2
ss-178, USS PERMIT, PART 3
SS-179, USS PLUNGER
SS-180, USS POLLACK
SS-181, USS POMPANO
SS-182, USS SALMON, Part 1
SS-182, USS SALMON, Part 2
SS-183, USS SEAL, Part 1
SS-183, USS SEAL, Part 2
SS-184, USS SKIPJACK
SS-185, USS SNAPPER, Part 1
SS-185, USS SNAPPER, Part 2
SS-186, USS STINGRAY
SS-187, USS STURGEON
SS-188, USS SARGO, Part 1
SS-188, USS SARGO, Part 2
SS-189, USS SAURY, Part 1
SS-189, USS SAURY, Part 2
SS-190, USS SPEARFISH
SS-191, USS SCULPIN
SS-192, USS SAILFISH
SS-193, USS SWORDFISH Part 1
SS-193, USS SWORDFISH Part 2
SS-194, USS SEADRAGON, Part 1
SS-194, USS SEADRAGON, Part 2
SS-196, USS SEARAVEN, Part 1
SS-196, USS SEARAVEN, Part 2
SS-197, USS SEAWOLF, Part 1
SS-197, USS SEAWOLF, Part 2
SS-198, USS TAMBOR
SS-199, USS TAUTOG, Part 1
SS-199, USS TAUTOG, Part 2
SS-199, USS TAUTOG, Part 3
SS-200, USS THRESHER
SS-201, USS TRITON
SS-202, USS TROUT
SS-203, USS TUNA, Part 1
SS-203, USS TUNA, Part 2
SS-206, USS GAR
SS-207, USS GRAMPUS
SS-208, USS GRAYBACK
SS-209, USS GRAYLING
SS-210, USS GRENADIER
SS-211, USS GUDGEON, Part 1
SS-211, USS GUDGEON, Part 2
SS-212, USS GATO, Part 1
SS-212, USS GATO, Part 2
SS-212, USS GATO, Part 3
SS-213, USS GREENLING, Part 1
SS-213, USS GREENLING, Part 2
SS-214, USS GROUPER
SS-215, USS GROWLER
SS-216, USS GRUNION
SS-217, USS GUARDFISH, Part 1
SS-217, USS GUARDFISH, Part 2
SS-217, USS GUARDFISH, Part 3
SS-218, USS ALBACORE, Part1
SS-218, USS ALBACORE, Part2
SS-219, USS AMBERJACK
SS-220, USS BARB, Part 1
SS-220, USS BARB, Part 2
SS-221, USS BLACKFISH, Part 1
SS-221, USS BLACKFISH, Part 2
SS-222, USS BLUEFISH, Part 1
SS-222, USS BLUEFISH, Part 2
SS-223, USS BONEFISH, Part 1
SS-223, USS BONEFISH, Part 2
SS-224, USS COD, Part 1
SS-224, USS COD, Part 2
SS-225, USS CERO, Part 1
SS-225, USS CERO, Part 2
SS-227, USS DARTER
SS-228, USS DRUM, Part 1
SS-228, USS DRUM, Part 2
SS-229, USS FLYING FISH, Part 1
SS-229, USS FLYING FISH, Part 2
SS-230, USS FINBACK
SS-231, USS HADDOCK
SS-232, USS HALIBUT
SS-233, USS HERRING
SS-234, USS KINGFISH, Part 1
SS-234, USS KINGFISH, Part 2
SS-234, USS KINGFISH, Part 3
SS-235, USS SHAD
SS-236, USS SILVERSIDES
SS-237, USS TRIGGER
SS-238, USS WAHOO
SS-239, USS WHALE
SS-240, USS ANGLER
SS-241, USS BASHAW
SS-242, USS BLUEGILL, Part 1
SS-242, USS BLUEGILL, Part 2
SS-243, USS BREAM
SS-244, USS CAVALLA
SS-245, USS COBIA
SS-246, USS CROAKER
SS-247, USS DACE, Part 1
SS-247, USS DACE, Part 2
SS-247, USS DACE, Part 3
SS-247, USS DACE, Part 4
SS-249, USS FLASHER
SS-250, USS FLIER
SS-251, USS FLOUNDER
SS-252, USS GABILAN
SS-253, USS GUNNEL
SS-254, USS GURNARD
SS-255, USS HADDO
  SS-256, USS HAKE
SS-257, USS HARDER
SS-258, USS HOE
SS-259, USS JACK
SS-260, USS LAPON
SS-261, USS MINGO
SS-262, USS MUSKALLUNGE
SS-263, USS PADDLE
SS-264, USS PARGO, Part 1
SS-264, USS PARGO, Part 2
SS-265, USS PETO, Part 1
SS-265, USS PETO, Part 2
SS-266, USS POGY
SS-267, USS POMPON
SS-268, USS PUFFER
SS-269, USS RASHER_Part1
SS-269, USS RASHER_Part2
SS-270, USS RATON, Part 1
SS-270, USS RATON, Part 2
SS-271, USS RAY, Part 1
SS-271, USS RAY, Part 2
SS-272, USS REDFIN
SS-273, USS ROBALO
SS-274, USS ROCK
SS-275, USS RUNNER
SS-276, USS SAWFISH
SS-277, USS SCAMP
SS-278, USS SCORPION
SS-279, USS SNOOK
SS-280, USS STEELHEAD
SS-281, USS SUNFISH
SS-282, USS TUNNY, Part 1
SS-282, USS TUNNY, Part 2
SS-283, USS TINOSA, Part1
SS-283, USS TINOSA, Part2
SS-284, USS TULLIBEE
SS-285, USS BALAO
SS-286, USS BILLFISH
SS-287, USS BOWFIN, Part 1
SS-287, USS BOWFIN, Part 2
SS-288, USS CABRILLA
SS-289, USS CAPELIN
SS-291, USS CREVALLE, Part 1
SS-291, USS CREVALLE, Part 2
SS-292, USS DEVILFISH
SS-293, USS DRAGONET
SS-295, USS HACKLEBACK
SS-298, USS LIONFISH
SS-299, USS MANTA
SS-300, USS MORAY
SS-304, USS SEAHORSE, Part 1
SS-304, USS SEAHORSE, Part 2
SS-305, USS SKATE
SS-306, USS TANG
SS-307, USS TILEFISH
SS-308, USS APOGON
SS-309, USS ASPRO
SS-310, USS BATFISH, Part1
SS-310, USS BATFISH, Part2
SS-311, USS ARCHERFISH
SS-312, USS BURRFISH, Part 1
SS-312, USS BURRFISH, Part 2
SS-176, SS-313, USS PERCH
SS-314, USS SHARK
SS-315, USS SEALION
SS-316, USS BARBEL
SS-317, USS BARBERO
SS-318, USS BAYA
SS-319, USS BECUNA
SS-320, USS BERGALL
SS-321, USS BESUGO
SS-322, USS BLACKFIN
SS-323, USS CAIMAN
SS-324, USS BLENNY, Part 1
SS-324, USS BLENNY, Part 2
SS-325, USS BLOWER
SS-326, USS BLUEBACK
SS-327, USS BOARFISH
SS-328, USS CHARR
SS-329, USS CHUB
SS-330, USS BRILL
SS-331, USS BUGARA
SS-332, USS BULLHEAD
SS-333, USS BUMPER
SS-334, USS CABEZON
SS-335, USS DENTUDA
SS-336, USS CAPITAINE
SS-337, USS CARBONERO
SS-338, USS CARP
SS-339, USS CATFISH
SS-340, USS ENTEMEDOR
SS-361, USS GOLET
SS-362, USS GUAVINA
SS-363, USS GUITARRO
SS-364, USS HAMMERHEAD
SS-365, USS HARDHEAD
SS-366, USS HAWKBILL
SS-367, USS ICEFISH
SS-368, USS JALLAO
SS-369, USS KETE
SS-370, USS KRAKEN
SS-371, USS LAGARTO
SS-372, USS LAMPREY
SS-373, USS LIZARDFISH
SS-374, USS LOGGERHEAD
SS-375, USS MACABI
SS-381, USS SANDLANCE
SS-382, USS PICUDA
SS-383, USS PAMPANITO
SS-384, USS PARCHE
SS-385, USS BANG
SS-386, USS PILOTFISH
SS-387, USS PINTADO
SS-388, USS PIPEFISH
SS-389, USS PIRANHA
SS-390, USS PLAICE
SS-391, USS POMFRET
SS-392, USS STERLET
SS-393, USS QUEENFISH
SS-394, USS RAZORBACK
SS-395, USS REDFISH
SS-396, USS RONQUIL
SS-397, USS SCABBARDFISH
SS-398, USS SEGUNDO
SS-399, USS SEA CAT
SS-400, USS SEA DEVIL
SS-401, USS SEA DOG
SS-402, USS SEA FOX
SS-403, USS ATULE
SS-404, USS SPIKEFISH
SS-405, USS SEA OWL
SS-406, USS SEA POACHER
SS-407, USS SEA ROBIN
SS-408, USS SENNET
SS-409, USS PIPER
SS-410, USS THREADFIN
SS-411, USS SPADEFISH
SS-412, USS TREPANG, Part 1
SS-412, USS TREPANG, Part 2
SS-413, USS SPOT
SS-414, USS SPRINGER
SS-415, USS STICKLEBACK
SS-417, USS TENCH
SS-418, USS THORNBACK
SS-419, USS TIGRONE
SS-420, USS TIRANTE
SS-421, USS TRUTTA
SS-422, USS TORO
SS-423, USS TORSK
SS-424, USS QUILLBACK
SS-478, USS CUTLASS
SS-479, USS DIABLO

Appendicies

1_Boat_Name
2_CO_Name
3_Date_Departed
4_CO_Additional_Part1
4_CO_Additional_Part2
5_Boat_Patrol#
6_Date_Time_Attack
7_Position_Attack
  8_Target_Type
9_Date_Hour_Contact
10_Position_Contact
11_Pilot_Rescues
12_CounterA_Boat_Patrol
13_CounterA_Date_Hour
14_CounterA_Damage_Sustained
15_CounterA_Position

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, higher resolutions versions on DVD that may print or OCR better may be purchased from http://www.usssealion.com/ (Unrelated to HNSA). Many of the original documents without any reproduction artifacts many be found at the US National Archives and Record Administration in College Park, Maryland.

We are using the commercial service issuu.com to provide fast access over the web to this large collection. Problems viewing the reports will most likely be fixed by using a recent version of the free Adobe Flash Player. You will also need a recent version of one of the popular web browsers (i.e. Internet Explorer, Mozilla Firefox or Apple Safari) with javascript and cookies turned on.

If you are using a slow internet connection you will see a fuzzy version of each page while the page is downloaded for display.

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