DECEMBER 6, 1941. 
Memorandum for the Chief of Staff:
Subject: Estimate of Japanese Strength in Indo-China. 

1. It is estimated that there are 107,000-115,000 Japanese troops ashore in Indo-China, 25,000 in the north and 82,000-90,000 in the south.

2 Analysis of the foregoing:

a. Tong King:

 
Initial garrison ...........................................  6,000
Landed prior to Oct. 18 ....................................  5,000
Landed since Oct. 18 ....................................... 14,000
Present Total ............................................. *25,000

*Exclusive of about 13,000 troops landed at Haiphong and moved south by rail.

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b. South Indo-China:

(1) Known to have landed.

 
Garrison Nov. 1 ............................................ 32,000
    Nov. 3-18
    By sea .................................................  2,000
    By rail ................................................  3,000
    Nov. 18-29
    By sea ................................................. 30,000
    By rail ................................................ 10,000
                                                    [Total]  77,000
Since Nov. 29 (est.) .......................................  5,000 
                                                    [Total]  82,000 

(2) Reported by Manila, December 21 [sic, LWJ]-21 transports in Camrah Bay-estimated 18,000.

(3) According to various reports, there is an undetermined number of transports enroute to Indo-China.

 
                                              SHERMAN MILES,
                                       Brigadier General, U. S. Army,
                                   Acting Assistant Chief of Staff, G-2. 
 
Distribution: 
   Secretary of War. 
   Assistant Chief of Staff, WPD. 

(EXHIBITS OF THE JOINT COMMITTEE, PHA, PT. 14, EXHIBIT NO. 33 MILITARY INTELLIGENCE ESTIMATES PREPARED BY G-2, WAR DEPARTMENT)