The preliminary results of the off-atoll surveys by NYKOPO bre shown
in Table 51.
AIRCRAFT DECONTAMINATION.

After YANKEE, the B-36

(No.

13869

aircraft, with an initial radiation reading of 0.100 R/hr, was

control
dgain de-

contaminated without a cooling period but all other aircraft codled for

about 24 hours before decontamination was started.

The other B436 (No.

1086) had the highest recorded contamination for the test seried, measuring 42 R/hr shortly after landing

(see Table 52).

Some aircraft]

were released with relatively high contamination levels

R/hr).

again

(0.230 tbh

Priorities were also changed to decontaminate five F-84GE

0.800

first.

NECTAR
NECTAR (1.69 MT),

the final shot of Operation CASTLE, was figed at

0620 on 14 May from a barge anchored in the MIKE crater
Island) at Enewetak Atoll.

(formerly

NECTAR was ready for detonation on 24

Eluklab
April,

ahead of YANKEE, and detailed preshot preparations were made on
ll May.

5, and

At each date, the shot was postponed because of unaccepth&ble wind

patterns.
Preshot Preparation
At noon on 13 May the weather forecast indicated acceptable c@nditions
for firing the following day; consequently, the appropriate messaqes were
transmitted to the task force and external agencies indicating a
to fire.

Air search was initiated in Area Evelyn.*

shipping was within the danger area

(Table 53).

No known tra

No postshot sect

was scheduled.

* Area Evelyn had been designated 1 May when it became apparent that daily
searches of the entire Area Green were difficult with the aircragt
available.
Evelyn was defined as a semicircular sector of 300 nmi (555
km) radius to the north of an east-west line through the center
qf Ene-

wetak, plus an additional 60-nmi (lll-km) wide strip south of the
semicircle.

310

Select target paragraph3