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TASK GROUP 7.2
JOINT TASK FORCE. SEVEN

10S ALAMOS SCIENTIFIC LaboRATORY =

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J Division, P. 04 Box 1663

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Ios Alamos, New Mexico

#19161

TO:

DISTRIBUTION LIST

FROM:

Commander, Task Group 7.2

SUBJECT:

GENERAL CONCEPT OF OPERATION Gh

FEFERENCE: (a) OT 7.1 Sec. Ltr. J-16757 of 7 Apri si

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1¢ This is Revision #1 of the GENERAL CONCEPT OF OPERATION CASTLE which

cancels and supersedes reference (a).

GENERAL CONCEPT OF OPERATION CASTLE (REVISION #1)
This concept is previded for planning purposes,

It will be revised from

time to time as signift:cant changes occur,

2S

53 |

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26

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AASSEISC

TKO |

A. SHOT SCHEDULE

Shot

Code

#1

NECTAR «NDay

CRIT

Pres

2

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a

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s

Date

UNION

cy

Model

:

(fj .

UDay

(Presumed Range)
|

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25 Feb.

ececerai te
ze

.

we

ae

=

SUE

|

,

#3

BRAVO

|

Bikini: On reef 2950

GS - 7)

feet bearing 250° true

3-h

Bikini (Barge): Inter~

from SW tip of Namu

Section of arcs with Te

radii of 6900' from

Yurochi and 3 statute

_B Day

6

8 Mar,

os

1

|

Site

miles from Aomoen,

isl
.

h

(1-6)

|

7.

| aa:

|

#2

Yield

15 Feb.

ae aN

-.

,

K Day

hs
vy

Bikini- ENE[

Ll. yon Line-tewara—»
moeNne

(Barge )

74

oh

KOON

#5

ECHO

E Day

125 XT

(65-275 KT)

Eniwetok - Eberiru

#6

YANKEE

Y Day

8

Eniwetok =

17 Mar. :

|

(h = 8)

oo.

(1/3 ~ 24)

2, Mar.

(6 -. 10)

|

Bikini - Eninman

Crater (Barge

elab

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