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Figure 85.

CASTLE, YANKEE predicted fallout pattern, based on the method

of elliptical approximations; contours enclose the 100-, 50-,

and 10-R infinite dose areas (source:

Reference 16).

The instrument station locations on the islands of the atoll are shown
in Figure 86.

The details of each project are given in Chapter 3.

The

locations of the task force fleet are given in Figure 87.
The aerial sampling effort for YANKEE was reduced to about one-half
the normal activity.

This was done to enable TG 7.4 to participate in the

Enewetak detonation within 24 hours,

if required.

Nine F-84s, one FB-36,

and one WB-29 sampler were used in YANKEE.
The B~36 effects aircraft at detonation time was flying a 180° heading
at a 40,000-foot
km)

(12.2-km)

from ground zero.

At burst

time,

altitude and a slant range of 58,000 feet

(17.7

The B-47 effects aircraft aborted with a fuel leak.

one of the B-50 indirect bomb damage assessment

301

(IBDA)

Select target paragraph3