ENCLOSURE 'B'

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP57-00384R001000070067-3
• Release Decision: RIFPUB
• Original Classification: C
• Document Page Count: 1
• Document Creation Date: November 17, 2016
• Document Release Date: July 17, 2000
• Sequence Number: 67
• Content Type: MISC

Approved For Releas DMfIACDP57-003848001000070067-3
LNCLOSUR.E "B"
1'
ce loam of t
dw - when an article three newspapers of
columnist with an international audieaaace dis-
osed that our Navy knew in advance of the Japanese plans for the aatt
The effect of this revelation real well have been an iaaaaac iaato chaen
coo and the resultant lows of vital intelligence to the U.
decoding
of world War IY waa not radar,, not the fuse, not the
used in Tokyo,"
chine with which "cryptographers had duplicated
232;
shortened the war, and saved many thousands of lives,"
with Magic sateriaal throughout th
hat it contributed enormously to the defeat of the
American Black Chamber" by Yardly disclosing
successes in or1d gar I caused international repercussions in the
tip, page 2017 Deceer 1945:
"U.B, citizens discovered last week that perhaps their
d and caused several governments to drastically improve
CONFIDENTIAL
Approved For Release 2000/08/25: CIA-RDP57-00384R001000070067-3