Pearl Harbor

77TH Congress SENATE DOCUMENT

2d Session No . 159

SENATE

ATTACK UPON PEARL HARBOR

BY JAPANESE ARMED FORCES

REPORT OF THE COMMISSION APPOINTED BY THE PRESIDENT OF THE UNITED STATES TO INVESTIGATE AND REPORT THE FACTS RELATING TO THE ATTACK MADE BY JAPANESE ARMED FORCES UPON PEARL HARBOR IN THE TERRITORY OF HAWAII ON DECEMBER 7 , 1941

S . Docs , 77-2 , VOL . 8 - 8

[SUBMITTED BY MR . HAYDEN] (INDEX ADDED INTERCALARY , LWJ

HYPERLINK "http /www .ibiblio .org /pha /pha /roberts /roberts .html " \l "3 3 " FINDING OF FACT . 3

HYPERLINK

"http /www .ibiblio .org /pha /pha /roberts /roberts .html " \l "17 17 " SUMMARY OF THE MORE IMPORTANT FACTS . 17

HYPERLINK "http /www .ibiblio .org /pha /pha /roberts /roberts .html " \l "19 19 " CONCLUSIONS . 19

IN THE SENATE OF THE UNITED STATES

January 28 (Legislative Day , January 23 , 1942

ED , That the report of the Commission appointed by the President to investigate and report the facts relating to the attack made by Japanese armed forces upon Pearl Harbor in the Territory of Hawaii on December 7 ,1941 , be printed as a Senate Document

1 JAPANESE ATTACK UPON PEARL HARBOR

JAPANESE ATTACK UPON PEARL HARBOR

JANUARY 23 ,1942

The PRESIDENT

The White House

SIR : The undersigned were appointed by Executive of December

18 ,1941 , which defined our duties as a commission thus "to ascertain and report the facts relating to the attack made by

Japanese armed forces upon the Territory of Hawaii on December 7 , 1941 "The purposes of the required inquiry and report are to provide bases

for sound decisions whether any derelictions of duty or errors of

judgment on the part of United States Army or Navy personnel contributed to such successes as were achieved by the enemy on the occasion

mentioned , and , if so , what these derelictions or errors were , and who

were responsible therefor

The Congress speedily supplemented the Executive by granting the

Commission power to summon witnesses and examine them under oath

The Commission held three meetings in Washington , December 18 , 19 , and

20 , and , on the latter day , proceeded to Honolulu , T . H , where the

Commission arrived December 22 and held meetings December 22 , 23 , 24

and 26 at the headquarters of the Hawaiian Department , Fort Shafter , and December 27 , 29 , 30 , and 31 , 1941 , and January 2 and 3 , 1942 , at the

submarine base , Pearl Harbor and January 5 , 6 , 7 , 8 , and 9 at the Royal Hawaiian Hotel , Honolulu . January 10 the commission left Honolulu for

Washington , D . C held meetings January 12 , 13 , and 14 arrived at

Washington January 15 and held further meetings January 16 , 17 , 18 , 19

20 , 21 , 22 , and 23

The Commission examined 127 witnesses and received a large number of

documents . All members of the Military and Naval Establishments , and

civil officers and citizens who were thought to have knowledge of facts

pertinent to the inquiry , were summoned and examined under oath . All

persons in the island of Oahu , who believed they had knowledge of such

facts , were...