message stating that heavy contamination
pected on an B6° bearing, 238 nmi

(0.5 to 1.0 R/hr)

(441 km)

shoud be ex-

from Enewetak.

The

essage

did not reach the JTF 7 Radsafe Center until 5 days later, alth@ugh no explanation of this delay is given by the source documents
p.

(Referdnce 16,

K-4).

The question of how far east the P2V was when it left its -tdack and
returned to Kwajalein is of considerable interest.
radsafe compendium (Reference 16)

The account fin the

says that "From the logs,

it

appears

that [it] . . . reached a position approximately 65 nmi due eastlof Gz
"the burst point! by 0950M only to abort" (p. K-4).

The CTG 7.3 memo

(Reference 79) states that "a relief aircraft was ordered . . .
position 180 miles bearing 065° true from ground zero".
position where the previous search had terminated.)

[to] a

(The approximate

If the firs account

is correct, then the search broke off just before the Daigo Fukufyu Maru
would have come into view, whereas the second has the P2V morned mare by
the fishing boat.

Figure 53 shows the track of the Daigo Fukur

the P2V abort point from the first account.

Maru and

Figure 60 shows a p§ot of the

reconstructed fallout pattern at the approximate time the P2V abdrted.
Cloud sampling began 2 hours after the detonation and continued for
5 hours, with aircraft working from 30,000 to 45,000 feet
on the south and southeast edge of the cloud

(9.1 taj

13.7 km)

(Reference 16, p. K-~#7).

This sampling was performed close to the burst point and, although

the

sampler aircraft were in contact with radsafe personnel on the Eskes, little concerning the picture of the cloud's overall movement was leBrned.
Twelve or fourteen F-84s and two B-36s were used in this sampling]

with

one B-36 acting as controller.
Fallout reached some elements of the fleet later, depending og
positions.

The USS Gypsy did not receive fallout until 1400 and

units were less contaminated.

213

their
qome

Select target paragraph3