HEADQUARTERS, Joint Task Force SEVEN
Washington 25, D. C.
20 June 1953, 1600 R
Annex B to CUTF SEVEN Operation Order No. 1-53
COMMANDER'S CONCEPT OF OPERATIONS
1.
Generale
Operation CASTLE will be a series of atomic tests to be con-
ducted early in 1954 at ENIWETOK and BIKINI ATOLLS, MARSHALL ISLANDS.
The operation will consist of six (6) thermonuclear shots, five (5) of
which will have yields in the megaton range, This concept of operations will serve as the basic planning guide for Operation CASTLE.
Detailed instructions covering the following on-site activities will
be contained in CJTF SEVEN Operation Order No. 2-53.
2.
Mission
a. To conduct tests of experimental weapons and devices as outlined
below.
be
To conduct the technical and measurement programs.
ce
To provide for security of the joint task force and ENIWETOK and
BIKINI ATOLLS. ~
3.
Tasks for Subordinate Units. The conduct of missions 2a and 2b, above,
is the responsibility of the Scientific Task Group. Other task groups
furnish the support necessary to fulfill these missions. To insure
successful accomplishment of the missions, this support will be coordinated by CJTF SEVEN.
4.
Shot Schedule
SHOT & CODE
DATE
MODEL AND MEGATON YIELD
#1 NECTAR N Day
BIKINI - On reef 2500 //7-
25—Peb
22 MAR
#2
UNION
SITE
UDay
25—Feb
yds SW of NAMU ISLAND.
[OGl-
BIKINI ~ Intersection
4. 977—
6900! from YUROCHI and
@ac/
of arcs with radii of
}t mp
3 nautical miles from
erf
:
AOMOEN (Barge).
#3 BRAVO
BDay |
BIKINI ~ Barge, NE of
&Mer
' MAR
#4 KOON
K Day
“
;
.
#5 ECHO
ISLAND.
E Day
EBERIRU ISLAND.
7 APR
tee Lewd Drcurod
,;0%
r
ENIWETOK - Tower on
2i-Mar
Lid Matt hargs
lao
.
BIKINI - Cab, ENINMAN
ifMar
29 MHN
_U
-
.,-7f
acace
g-BLstM)
B-1.
sewhe
TT Go.
ins Dou. sme
.
>Ja:
:0_L.3__ OF 2g Cock, LieA