Reader cloud tracking. which provided a high degree of
tops, anf general movements,
Eoth grounc and shipboard radar
were used for tracing, and the informztion from the radar
locations was releyed to Keacquarters via direct telephone,
3,
Other Safety Measures,
a. In order to assure the safety of Task Force and native popujations anc transient surface and éir traffic, a number of other steps
were taken. For example; concentrated asrial searches of the forecast
fallout area were made en D-2 and Del Dexs to insure that the area was
clear of transient shinping; and a constant emergency evecuation
capability was meintained,
b. As far as can be dcterrined fron existing monitoring data and
investigations of reported incidents, no hazardous fallout occurred
to populated areas or to transient surface and air craft as a result
of Operation HARDTACK,
BEST COPY ‘VAILABLE
win
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i
tad
een RE A ER AAR eee
(c)
reliability end usefullness during the first 30 minutes after
detonation, was empleyed to provide information on cloud size,