HEADQUARTERS, voint Task Force SEVEN
Washington 25, D. C.
10 November 1952
Annex A te CJTF SEVEN Operation Plan No. 3-53
CONCEPT OF OPERATIONS
1.
General.
Operation CASTLE will be a series of atomic tests conducted
early in 1954 at ENIWETOK and BIKINI ATOLLS, MARSHALL ISLANDS.
The
operation will consist of seven (7) shots. This concept of opera~
tions covers the period beginning ith the deployment of major ele~
ments of JTF SEVEN in the forward area and terminating with the completion of tests, collection of scientific data and disposition of
radioactive samples.
2,
Mission
a.
To conduct tests of experimental weapons and devices as outlined
below.
b.
To conduct the technical and measurement programs,
c. 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 will 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 (For prediction of yield and model, see Annex E, Scien-
tific Test Programs),
SHOT & CODE
#1
BRAVO
#2 UNION
#3
YANKEE
#4 ECHO
#5
NECTAR
#6
ROMEO
#7
~=KOON
DATE
SITE
B Day
BIKINI - On reef 2950 feet, bear-
1 Mar
250 T from SW tip of NAMU.
U Day
BIKINI (Barge) - Intersection of
11 Mar
arcs with radii of 6900 feet from
YUROCHI and three (3) statute
miles from AOMOEN.
Y Day
BIKINI (Barge) - UNION crater.
E Day
ENIWETOK - EBERIRU ISLAND.
N Day
BIKINI (Barge) ~ UNION crater.
R Day
BIKINI (Barge) - UNION crater.
K Day
BIKINI — ENINMAN ISLAND,
22 Mar
29 Mar
5 Apr
15 Apr
.
22 Apr
A-1