Wm!’F
(7) ISCOMElH31ETOK(CTG 7.2)
ENIRETOK,M.I.
(8) coMatN 6TH ARMY (~SIDlO)
SANFRAN,CALIF*
(9) USS MT. MCKINLEY
T.I. llAVSHIPYARD,CALIF.
MORF. NAYSHI~D
(10) Uss ALBEMARLE
NORF., VA.
UNTIL 5 JAN. -Cl?
TO T.I.
(11) USS CURTISS
T.I. NAVSHIPYARD, CALIF.
(12) Uss COMS’I’OCK
EN~TOK,
M.I. (RADIo GUARD
SHIP ENIRETOK)
CRYPTO@lAPHIC SYSTEMS AND @dlNELS
1. ~onaal milita~ orypto channe18 and orypto systems ware employed, plUS speoial lhited issue me-time-tape syetema (SIGTOT)
between Atomio Energy (kmuniasion
Los Alamos and the USS Mr. MCKINLEY,
USS ALBEIL’\~ and USS CURTISS. The one-time-tapesystems (SIG~T)
ware the only system authmiz ed by the Atcmio Energy Cmmaission for
Restricted Data nmmsagea.
2.
The authentioaticmayst~ as prescribed in the CSP 1270
series was not employeed. Harever, the ‘Shaokle” authentioatlon
system was authorized for joint use on voioe and CW oirouits. The
current edition of pas. 6 was authorized for use.
3.
“
In addition to the orypto systms prescribed in paragraph 1,
a speoial issue key list used in com$znotionwith the joint rotors
(CSP 5024/1592,SIGDFCS/SI@lCC’P)
was distributed to seleoted holders
to b e used when limited dietributim of informationwas desired.
97
Sedim
XI