~OP 

NATIONAL. SECURITY AGENCY 

WASHINGTON 25, D. C. 

SeriaJ.: 000543-s 

13 Dec 54 

SUBJECT: Report of'.Comrmlnications Security Violations 

TO: Chief' of Naval Operations (OP-30) 

The Pentagon 

l. Attached is the quarterly (July through September) compilation of' comrm.inications security violations reported to or noted by 

this Agency which occurred in communications,o~ those Navy stations 

which handle cmUNT tra.i'i'ic. Your Ofi'ice has been notified of' 

completed evaluations of' possible compromises which are reported herein as violations. 

2. T.ais report is furnished primarily for guidance in improving 

the security of' COMINT communications. Similar reports are forwarded 

to Chief, Army Security Agency, and Commander, u. s. Air Force Security 

Service. Upon request, additional copies crJ: this report will be provided in su:f'ficient quantity f'or dissemination to those activities 

under your command engaged in COMINT operations. 

3. Extracts f'rom this quarterly summary may be classified SECREn' 

if' the extracts are restricted to lists of' violations which involve 

messages cla.ssif'ied no higher than SECRET. For example, the list of' 

violations committed by an activity which originates messages classified 

no higher than SECRET may be extracted and forwarded to that activity 

as SECRET material. The key list is SECRET in classification, 

4. This correspondence ma;y be downgraded to SECRET upon remova1 

of' In.closure 1. 

FOR THE DIRECTOR: 

E. M. Gibson 

Lt Col. AGC 

Asst. AdJ. oln 

Declassified and approved for release by NSA on 05-15-2014 pursuantto E .0. 1352a 

2 Incls: 

l. Communications Security Violations 

by Navy Stations. 

2. Key List of' Navy Violations. 

Copy furnished: 

CNO (OP-302) 

fep ffi!lenB'f CONTROL # 54-3408 

PAGE 1 OF l PAGES 

COPY--m-OF. ~O COPIES ~LEARJ.\NCE REQUIRED 

TOP SECRET 
·r 

-· 

cc: NSA Europe 

NSA United Kingdom 

NSA Far Ea.st 

NSA Alaska 

NSA Pacific 

AG 

c/s 

COViSEC (3) 

S/ASST._? 

COM 

PROD 

o6B 

411 

412 

413 

NSA Form 781-CIB 6 Jul 51 

Serial: 000543-s 

13 Dec 54 

1954. A similar 

60454/pa 

' 

~OP SEORB'l' CONTROL # 54-3408 A 

PAGE l OF l PAGES 'FOP SE€RE~ OF I'{ COPIES TOCIEARANCE REQ:UIRED 
. . •e:HF~ .I. OD'--'•t..LI 1'Mi»!p e 

of"" 

~ SE!9FU3~ 

COMMUNICATIONS SECURITY VIOIATION'S BY N/\VY STATIONS 

IY.rG TRIGRAPH KEY NO. REfliARI<B 

USN-11 

JULY 

191333Z EPD 2d Broke on DZDJX vice DRDJX 

27o833z FSR 2b Broke on UC/\CQ vice UCACR 

AUGUST 

0714o4z DYN 2d Brolce on MEHGG vice MOMGG 

071436z DYU 2d Broke on ZDIISG vice ZDVSG 

1609307 FIJ 4a Broke on AA vice DD 

26051oz GWZ 2c Broke on FMUQn vice FMUQC 

2700431. HAC 2d Brolce on SQTZX vice SQAZX. 

2Ba125z ITJ 4a Broke on DD vice AA 

300947z HNI 4a Brolce on BB vice AA 

SEPTEMBER 

041235Z IIX 4a Broke on AA vice BB 01~2155z INX 2b Broke on YVWYQ vice YVXYQ 

082156z DWW 2d Broke on ZX.YDH vice ZXLDH 

140747z HFR 2a Broke on NHPOO vice NPHOO 

J.50200Z KIR 2d Broke on PWSTR vice PWBTR J.5021~8Z GGG 2d Broke on YEPUX vice YEPUM 

172133Z KVZ 2b Broke on SIL~I vice SHIMI 

202205z LIN 4a Broke on CC vice DD 

210241Z LIZ 2d Broke on VZLKE vice VHLKE 

240521z LXE 2c Broke on GCVVN vice GCZVN 

271904z MEK 2b Brolce on APUQF vice llPVQF· 

USN-12 

SEPTil-ffiER 

1515ooz ABF l Broke on .AM rotor arrangement 

USN-13 

AUGUST 

--- 03031~oz AVB 2d Broke on GN7...0U vice GNZOB 

l50410Z FNH 2d Broke on AQWW.J vice SQWMU 

~~ BECRB'f CONTROL # 54-,408 B 

PAGE l OF 3 PAGES 

COPY I fl' OF 20 COPIES 

Incl l 

NSA Form 781-ClB 6 Jul SI 

T6P s EER EYTOCLEAIWICE REQUIRED 
~ .r 

VIOIATIONS (Contd) 

' 

DTG 

110130Z 

26155oz 

0316ooz 

282202z 

2ll055Z 

l51940Z 

301842z 

l20002Z 

l20015Z 

120022Z 

l20157Z 

120203Z 

130046~ 

0301ooz 

.. 

Incl 1 

TRIGTIAPH 

BKP 

ECD 

ADK 

A'IM 

DQA 

CPV 

EQ.B 

ALB 

BAE 

NSA Form 781-ClB' 6 Jul 51 

REF ID:A56991 

4rOP SECRErr e 

KEY NO. 

2d 

2b 

2d 

3 

2d 

2d 

2d 

!~a 

4a 

4a 

4a 

4a. 

2d 

2d 

USN-1~ 

AUGUST 

USN-18 

AUGUST 

USN-19 

JULY 

SEPTEMBER 

USN-20 

AUGUST 

SEPTEMBER 

USN-26 

SEPTEMBER 

REMARKS 

Broke on MJM vice SBFJM 

Broke onECLIF vice ECLKF 

Broke on JVBPV vice FVBPV 

Broke using trigraph AYM 

Broke on F JDNE vice F JDNH 

Broke on.RX:AGR vice GXAGR 

Broke on VBDHE vice VBDZE 

Broke on BB vice AA 

Broke on BB vice AA 

Broke on BB vice AA 

Broke on BB vice AA 

Broke on BB vice AA 

Broke on RHEOQ vice RHEVQ 

Broke on HCXYL vice HCXUL 

~GP SBSHB'f' CONTROL -~ 54-3408 B II 2 PAGE 2 OF 3 PAG"""E"""S,__ __ 

~~~ 20 COPIES 

~{)P SEtrtET.LEARAHCE REQUIRE1' 
.. ~ 

VIOIATIONS (Cont'd) 

TRIGRAPH 

051402z 

132014Z 

170152Z 

27201~1z 

Incl 1 

NSA Form 781-Cllf 6 Jul 51 

AOK 

BTE 

QQP 

RJU 

ARA 

-

REF ID:A56991 

-WOP SE€RET e 

KEY NO. 

l 

2d 

2d 

2d 

2d 

USN-27 

SEPTEMBER 

USN-39 

JULY 

USN-40 

AUGUST 

--

REMARKS 

Broke on AM rotor arrangement Broke on AYKAT vice AYKUT 

Broke on CIXGT vice CIXm' 

Broke on BIGUK vice BIQUK 

Broke on KDHCW vice ZSHCW 

!p()p SEe!tET CONTROL /f.54:-3408 B 

PAGE 3 OF ~ PAGES 

COPY~[~ OF 20 COPIES 

CRYPT0cLEA1WJCE REQUIRED 

TOP SEERET 
. ' . ~ 

KEY LIST OF NAVY VIOLA.'rIONS 

July, August, September, 1954 I 

ROTOR ARRANGEMENT 

l. Use of a rotor arrangement for an inappropriate cryptoperiod, ~ or 

month. (Reference .AFSAG 1262, para 5oo6a(l)) 

ROTOR ALIGNMENT AND MESSAGE INDICATOR 

2. Discrepancy between the message rotor alignment resultJ.na from 

decipherment of the messaBe indicator and the message rotor alignment actually required to decipher the messa~e, although. the latter 

was correctly derived. The discrepancy involves (a) transposition 

of letters, (b) substitution of a letter alphabetically adjacent 

to the correct letter, (c) substitution of a phonetically similar 

letter, or (d) errors in encipherm.ent. 

REY GROUP 

3. The trigraphic key-group indicator in the message indicator did 

not correspond to the key group actually used for encipherment. 

Re-use of a ~ey group was not involved. (Reference AFSAG 1262, 

para 5004b) 

MACHINE DESIGNATOR AND MULTISWITCH SETTING 

4. The machine design.a.tor in the message indicator did not correspond 

to the multiswitch setting used for encipherment. The messages 

were (a) correctly enciphered or (b) incorrectly enciphered. 

(Reference KFS'AG 1262, para 6002a(l)) 

Incl 2 CRYPTOCLEARANCE REQUIRED 

SE€RE'F