Vix
(machine crypto syntem) allowances had deen obtained for all TG 7.3
shipe except the USS FRED C. ALRUWATH, and TaG's $9 and 40. AIRSWORTH
did nut arrive in the area wmtil just price to HiAVO.
REomployment ef
the YaG*s prior to HUVO was sach tha$ mail or guard mall delivery of
Classified neasages was an acceptable alternative to anltinple encryptions.
After BRAVO the iroject 6.4 headquarters on Farry Island ao-
cepted communication responsibility for the YaAGs when they were in
port at Eninetok, and MILALA acted as guardship for thea shen they were
operating at sea during chote, After BRAVO, a clase LIZ allowance wad
Placed aboard the slSe0dTWM.
Ab ho time was CIQ 7.5 able to send orgen’
Clasaified mattcr simultaneously to ell chips in the task groap by acens
of & single rachine encrypted message.
Unscheduled rsplacsements and
aiditions to the teak group continued the necesaity of sultiple encryp-
tion ef all messages sidressed to "T.G. 7.3%.
Incorrect use of Class IT
eryptosystems by task group wits resulted in nines reported incidente
involving practices dangeroas to seanrity.
8.
.
The passage of time, duriag which comunicztions procedures
for routine TG activities were staniariised, the aovement of CTG 7.3
aflest, end the concentration of ships within visual end voive comumtcation range at Bikini, all served to increase the efficlonay of Karvy
conmumieations. ‘The proxioity of XSTES, BAIRCKO, and CURTISS at Hikind
after BRAVO permitted the esteblisheent af AN/TRG telephone and teletype
nets to serve steffs esbarked, which mstarially reduced requirements
placed on OH end ship-shore facilities.
Usa of UF voice acts, and
—)
AtHYIK
Se
za