oa

Q Y-plus-1 a survey of ZERO island was completed and detailed
charts sharing activity found were delivered to the Scientific Director
and to the Radiological Safety Officer,
The recovery of samples to be used in obtaining technical measure
ments data continued as did work on lagoon water surveys,
C

A resurvey of the ZERO island and collection of soil samples fran
the vicinity of blast footings was carried out on Y=-plus 2.

Additioral

crater survey operations were also completed at this time.
A survey of perimeter islands was conducted to determine the presence
of any fallout or water contamination,

This information was repcerted in

detail to the RadOps where a complete report was prepared.
Equipment which had been cached on the ZERO island was recovered
and showed only slight evidence of damage.

On Y~plus-9, Captain Draeger and Candr. Langer departed for the
United States to begin work on their samples,
ZEBRA Test.
Following the same procedure as for previous sts, preparations for
ZESRA were accamplished in a manner which appreciably reflected experience,

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The mission for ZEBRA involved essentially t’ » same schedule as

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before,

A new schedule was prepared, and the policy of shifting assign

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ments of individuals in order to broaden their scope of experience was

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again effected.

On Z-minus-3, Commander Alvin W, Slayden, USNof Op-36E, {£. Colonel
Willian S, Cowart, USAF, and Commander Thomas R. Fonick, Canminder, Rear
Echelon, TG-7.6 arrived aboard the 2AIROKO from Washington to observe the
ZEBRA shot.

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