OporstionPlan
CPG 7,3 No. 1-53
(f)
The now (ICAC) phonetic alphabet (aLFus, BR.VO, Cu,
ote.) ig not authorized for neval usc. al] units sha}l use the nival
phonetic alphahst (.PL, i."ER, CH.PLIE, ste.) curing CaSTic,
(2)
Aprroyv2d Circuits
(a)
The landlino and submrino cable systons it Eniwotok and
Bikini (including televhone and teletype) are approved for the transmission
in the clear of classifiod inforrztion up to and including SECTET-SECURIIY
INFOPUATICH.
(b) TOF SECPST and 45C RESTRICTED Data will not be transmitted in the cloar ty elsctricil means at any tine.
(c) Extrere eure rust be exorcised to insure that eclussified
inforration is not transmitted in the ecle:r over any tyro "radio" circuit.
This includes back-up radio telophone and radio teletsre circuits. When
a portion of . telephone circuit consists of 2 ridio link, the operator
s1all inform partics that, "TiS IS .. MADIO CIRCTITWj-CONFINE CONVERS..CION
TO UNCL.SSIFICD L.TTERS."
(3) VisuclTraffic
(a) Comply with mragraph 2108 and section 2400 of «FSG
1248. ‘when a clissified mossare is sent in the clesr by visual means,
the first word of the text shall be the nessige classification and the
hea@ing shall contain the operating signel "ZN" roaninge "This mossigs
contains clessificd information. Do not trnsrit ovor non-approved
circuits. and flags or directioncl light usiag minirum trilliance
consistent with satisfrctory communications should be employod to send
classified traffic.
(b)
signal bridgcs.
Tho TG 7,3 Admin Not (Channel 2) my be used to alert
{e) Vessels having three or more signalnen attachod shall
maintain a continuous signal watch.
(d)
Use of Longglass and Ship's Ontical “guipnint.
Cormancing Cfficers shill tate positivo action to insure thot the use of
the ship's longgl2zss, hWinocultrs, and other optical equirment is ree
stricted to personnel officially engrged in cormuniention 2nd naviesrtion
duties, Annoy "5" of this Onerntion Flan (Sceurity annex) dircets thot
dnéividuals whose dutios require the use of such equizmont b: specific
ally authorized by nare in written ordors, Officers of the Dock and
F-6