ee
CtFOR RECON .
ee

12 Apt 195%-

4"

“"

SoRETS BRAVO Shot, Operation CASTLE
le

Leos

To make ¢ matter of record operational espects that”

FU

sew RON2 BRAVO evens of OperationCiSTLE and to analyse

the
aresultanteifuation in the Light of avaiable pronebet and peetaabot
informatt dite

2.

ATTOs Operation CASTLE ts planned to ccnstet of @
cas at the Paekfie Proving Grounds, wich

firing of the first deviss,
Teland, BIKIME Atoll.

Subsequent to FUV0 detcnation radicect’

4

.

the code name thet we Gven the

at C4458 on 2 Marck 195b, off NAMB

£
$

EXIMETOE and
BIXINE Atoi=2.BRAVO

i

series ‘of ‘seven

certain inhabited atolls o? the northern Marehell Zelendiy Radiation.
intensitive rove. talevels sufficient to wasrams evacuation of four stclis
and all perscmel, were removed from these stolle to KWLJALEIN in aseordance
with the operational exsergency plan of JTF SEVEN, «reap evacpated end
gemma dosages received are indicated below:
*.

STL,
iilinginas

Hongelap .

Rongeril
Utirik.

TON
POPUL
1?

DIST/NCE FROM

-~N
e.
7S We

65

100 Mt

1

270 at

28 #

133 1a

RECEIVED
DOSES
a0 8 computed,

100-136 &

40 96 R fila
badge)
'

4Q7eR

' 28‘merican Service sreomnal 39 USAF Weathey Detachzen® plug 3 USS
Signal Corpe personnel.
ALL evacuees are under competent medical care,

Ttoriginstes from fission fragecchs vaden arethe vention of
vous

elements and surface materials, sci]. and water, made redicactive by
accompanying radiation fields, Debris ia sucked high into the atmcephere

by afterainds of the explosion, Where titis. radioactive debris will fall
ig a major preeshot consideration and primarily influences the decision

to detonate a nuclear explosion at a certain tins.

DELOURE
KelS$

Select target paragraph3