system eb EXIWETOE to the effect that FRED, ELMER and URSULA were eating
backgroumfde. ©5
yg
ee ee

I aceordance with plan, CINCPACFL? wes advised 2000M cm shot dayof

thewires ‘padsafecsituation. This advisory consisted of the followings ,

No sigfificant change in the forecast 72-hour cloud trajectories, no

cant fall-ous imiown to exist or forecast for surface sant air routes and for

populated stollse The advisory further stated that cloud tracking flighs
om shot
indicated that the maim portion of the cloud passed to the eas®
northe
and well to the north of a line througit RONCEL.P and UTIRIK. CINCACFLT was informed that NYKOPO Flight Able was scheiuled for 27 april and

that the results of any UNION residing im excess of 10/mr/hr would be reported
in the next advisory.

During the shot day and throughout the night, ao smal], amount of light
secondary fall-out was encountered by come of the ships as indicated below?

USS COCOPA

262200K

average 2 or/hr, maxima 4 orfhre 5:4.

USS MENDER

262100K

Average 2 mr/hr, maxim & ar/hre Bee ess,

USS SHEA

270734

Average 3 ar/hr, naximm § ar/bre 1...

Ls? 1157

261930M

Average 2 or/hr, maximum 3 or/hr.

USS NICHOL:S

§ 261320M@—s
2614144

average 15 mr/hr, maxtman 25 ar/bre 5755.
Average 37 mr/hr, maximaz 110 or/bre,_3.

(Notes NICHOL:S at 261443M reported all clear, ET.. BIKINE 261745me)
On U plus 1 day the second snd final, 200M advisory was disnatched to

CINCP.:.CFL?, stating that further advisories wuli be ccntingent on future

circumstances,

The advisory indicate no significant change in the forecast

72-hour cloud trajectories snd ineluded 4 preliminary report of Flight able
on U plus 1 day which indicatei no atoll through T..ONGI reading in excess

of 10 mr/hr from UNION. Tha advisory included a statement that, based on low

level cloud tracker flights on UNION day, significant intensities were not
anticipated for the re ‘nder of the atolls on Flight able. (This was subse=

quent jyconfirmed, including KYAJ.LEIN, upon receipt of the Flight .ble Final
eport

On 1 May, information receivei from CTG 7.3 relative to ship contamina~

tion was nassed to CINCPACFLT in accorianc
=BS
CINCPACFLT for such information. The advisory incicatcd that insignifleant
;
cofitantitration was experience iue to fall-out. It further indicated that the

lagoon contamination was presenting more of a rroblem, but that solutions

were being effected without telay to the vrogram and without anticipated over=

exposure to personnel,

N~6

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