The Task Group Elements manouvered during the night to be in position
for R Hour entry into the Lagoon in the most expeditious namor' the ESTES

and CURTI.:S to be off the tide Passage, West Channel at X llour; the Transport

Element to be off. the Deep mhtrance at R plus 1 hour and the Harbor Control
and Service Element to be off the ‘ide Passage, East Channel at R Hour, The
RSIDOVA remained at sea for flight operations and refucling déStroyers, with

the CARPENT.{ as plane guard.

The FLETOHeR and RADFORD resumed patrols

outside the lagoon but were not to approach within 5 miles of FLORA as a
radiological safet;,; precaution.
Dan Buoys until approximately

The O'BANION was ongaged in recovery of
plus 5, .

|

Air Search security patrols were resumed at 1200 on ki plus 1.
The HORIZON (a planned shot position was in the. vicinity of a seamount.

for Seientifie Project 6.4b, 72 miles north of FLORA, Howevor, the Radex

eituation at H Hour indicated this position would be untenable and the
HORIZON was directed to move northeastward (course 045°) for 4 hours
at best, speed (11.5 Kts) Commencing at0800. In the new position contamination
from fallout was encountered at about 1240. Tho contamination continued,

and as it was dnereasing, at about 1,00 the ship ws directed to proseed

south, 160°(T), in an attompt to clear the fallout area; This was accomplished
at about 1630. -After carrying out decontamination procedures, at 1821 the
HORIZON was directod to proceed with operations as conditions permitted,

She

proceeded to the seamount 72 miles from FLORA and recovered instruments and —
The ship then shifted opsrations to the inner searount, 26 miles

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