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Eninetok and the target area,

Pick-up of drone aircraft at Eniwetok was

completed by H ~ 2 hours and by H hour all aircraft were on their staticns,
Radiological safety procedure aboard aircraft consisted of the following:

(2) H ~ 30 minutes, Instruments turned on.
(2)

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H~ 5 minutes. Cabin heaters shut off and all crew members
on 100% oxygen.

H - 10 seconds,

After detonation,

All crews adjust dark goggles.

Remove goggles, observe burst phenanena

ard monitor watch instruments.

After leaving area.

After landing.

—

Monitor interior of aircraft.

Monitor crew and exterior of aircraft.

The rehearsal was successful in general.

It was found however that ten

seconds was too long a time for the pilot to be completely "in the dark"

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and permission was granted for the pilots, on test days, to cut a small

Kole in the one lens of the goggles.
The period between Peter X~ray Day and X-ray Day was devoted to
preparation for X-ray Day,

Complete individual mission flimsies were

prepared for each monitor to use on the first test.

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contamination center at. Kwajalein was completed and adequate stocks of

clothing obtained.

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completed,

By 13 April pr-parations for X-ray Day were complete and the

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unit stood by awaiting implementation of the operation.
X~RAY TEST
This test was carried out in exactly the same manner and on the

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same time schedule as the rehearsal,

Installation of drone aircraft

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with two exceptions; the B-17 spotter aircraft which had returned to

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Kwajalein with a defective weather reconnaissance aircraft and the

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Aircraft were on stations at H hour and prepared for the detonations

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film badges was completed at Eniwetok by 2300 hours of X-ray minus ones

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The high altitude instrument calibration project was

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The personnel de-

Select target paragraph3