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// CONFIDENTIAL //

TO                COMSUBPAC, COMSUBASIATIC,

FROM         COMSUBRON 10 A

SUBJECT    MAY 01 - 1 REPORT.

                    DECEMBER 1942 -JANUARY 1943


FOUR OF THE BOATS USE MANUAL TDC, SS-199 (USS TAUTOG), SS-154 (S-43), SS-142 (S-37) AND SS-158 (S-47) ALL OTHER BOATS USE AUTO-TDC.

BECAUSE OF OUR HIGH NUMBER OF BOATS, THE PRESENCE OF ENEMY SUBS IN THE AREA AND LIMITED PATROL AREA WE CYCLED THE BOATS IN THEIR RESPECTIVE ZONES. HALF OF THE BOATS SAILED IN EARLY DECEMBER THE OTHERS SAILED IN EARLY JANUARY.

SJ RADAR WAS INSTALLED IN ALL THE BOATS.

ALL BOATS OPERATED IN THE SOLOMONS WITH A ZONE ASSIGNED FROM THE SOLOMONS CHART AS INDICATED.

TORPEDO'S ARE STILL A PROBLEM. WERE CONSISTENTLY HITTING TARGETS WITH FAILURE TO EXPLODE OR EXPLODING EARLY.   JAP ASW IS MUCH MORE AGGRESSIVE AND MUCH IMPROVED. THE S-BOATS ARE HAVING A VERY DIFFICULT TIME IN EVADING THE ENEMY DUE TO THEIR LIMITED DEPTH, SPEED AND RANGE WHILE SUBMERGED.

 

INDIVIDUAL SHIP TOTALS

SS-237 TRIGGER - SI-3 - DECEMBER
1 WARSHIPS    13,440 GROSS TONS  4,480 ADJUSTED TONS   CA (MOGAMI CLASS)
2 DD'S                 7,810 GROSS TONS   2,605 ADJUSTED TONS (NOT IN OFFICIAL TOTALS)
0 MERCHANTS

SS-199 TAUTOG - SI-3 - JANUARY  (NOT INCLUDED IN TOTALS - MISSING ACTION REPORT)
0 WARSHIPS
0 MERCHANT

SS-142 S-37 - SI-1 - DECEMBER
0 WARSHIPS
1 MERCHANT 5,990 GROSS TONS 5,990 ADJUSTED TONS

SS-143 S-38 - SI-6 - DECEMBER   RETURNED TO BASE WITH NO ENEMY CONTACT
0 WARSHIPS
0 MERCHANT

SS-146 S-41 - SI-2 - JANUARY
0 WARSHIPS
0 MERCHANT

SS-153 S-42 - SI-6 - JANUARY
0 WARSHIPS
0 MERCHANT

SS-154 S-43 - SI-1 - JANUARY
0 WARSHIPS
0 MERCHANT

SS-156 S-45 - SI-2 - DECEMBER
0 WARSHIPS
4 MERCHANTS  32,360 GROSS TONS 10,790 ADJUSTED TONS

SS-157 S-46 - SI-6 - DECEMBER
0 WARSHIPS
0 MERCHANTS

SS-158 S-47 - SI-2 - DECEMBER
0 WARSHIPS
0 MERCHANTS


SUBRON TOTALS

9 PATROLS ASSIGNED
5 COMPLETED  (1 NOT INCLUDED IN TOTALS)

DAMAGE TO SHIPS AS FOLLOWS

SS-237 NO DAMAGE
SS-199
SS-142 NO DAMAGE
SS-143 NO DAMAGE
SS-146
SS-153
SS-154
SS-156 NO DAMAGE
SS-157
SS-158

SUBRON 10A DAMAGE INFLICTED ON THE ENEMY

  2 DD'S                     7,810 GROSS TONS    2,605 ADJUSTED TONS - NOT INCLUDED IN TOTALS
  1 WARSHIPS      13,440 GROSS TONS   4,480 ADJUSTED TONS    CA (MOGOMI CLASS)
  5 MERCHANTS  38,350 GROSS TONS 12,785 ADJUSTED TONS

SUBRON 10A DAMAGE INFLICTED TO THE ENEMY DECEMBER 1941 - JANUARY 1943

    6 WARSHIPS        31,791 GROSS TONS   12,310 ADJUSTED TONS   1-CA 1-SS, 2-CL AND 2-DD (CREDITED)
    7 DD'S                   18,492 GROSS TONS       8,725 ADJUSTED TONS - NOT INCLUDED IN TOTALS
62 MERCHANTS 379,970 GROSS TONS 183,473 ADJUSTED TONS

CDR RAY MCNEICE - PTC-II - SUBRON 10 CO - SS-237 TRIGGER

// SENDS //


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