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HEADQUARTERS, JOINT TASK FORCE SEVEN
Washington 25, D. C.
5 January 1954
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U.S. Navy Hydrographic Chart No. 5203, North
Pacific Ocean, Marshall Islands.
b. U.S. Navy Hydrographic Chart No. 6032, North
Pacific Ocean, Marshall Islands - Northern Part -
7
2
Bikini Atoll.
c.
U.S. Navy Hydrographic Chart No. 6033, North
Pacific Ocean, Marshall Islands, Eniwetok Atoll.
Task Organization
Task Group 7.1 (Scientific)
Dr. William E. Ogle, LASL
b.
Task Group 7.2 (Army)
Colonel Edward H. Lahti, USA
ce.
Task Group 7.3 (Navy)
Rear Admiral Henry C. Bruton, USN
d.
Task Group 7.4 (Air Force)
Brig. Gen. Howell M. Estes, USAF
a.
Task Group 7.5 (AEC Base Facilities)
1.
Mr. James E. Reeves, AEC
General
- a. The purpose of this plan is to establish responsibilities and to
set forth instructions to all units of the task force as to conditions
which may arise as a result of natural disasters, particularly ty-
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SIFICATION CANCELE D
FIED INFO BRACK ETED
THER (SPECIFY):
A typhoon is a violent
cyclonic storm of tropical origin with a
wind force of sixty-four (64) knots or more. The area of destructive
winds within a typhoon is extremely variable, occasionally as small as
a circle of fifty (50) miles in diameter and, in other cases as large
as a circle of 900 miles in diameter.
Most of the destructive force
of the typhoon on land areas results in the blowing over of buildings
and power lines and the accompanying damage to exposed personnel,
material and equipment by the extremely heavy precipitation and flying
debris which invariably accompanies a typhoon. At sea, the major
threat of damage is associated with the destructive force of enormous
2.4) REVIEW-DAI 1/2
AJTHORITE ~
waves which break at random and in a confused pattern.
NOME:
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VAPTMENT OF ENERGY DECLASSIFICA
: ISTREYEbay.
TION REVIEW
DETERMINATION (CIRCLE
NUM BERS)
1. CLASSIFICATION RETEIN
2. CLASSIFICATIO: N CHANGEDT
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phoons and tidal waves. The intention is to provide for the preservation of life and property during the actual course of the disturbance
and the early restoration of essential services after it has passed.
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Disaster Defense Plan
CJTF SEVEN No. 1-54
Chart References:
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The destructive
force of a fully developed typhoon cannot be overemphasized and the
surest invitation to disaster is to underestimate its capabilities.
The newer "Pacific" structures in the forward area have been designed
to withstand winds of 105 miles per hour. The so-called "multi-story
building" on ENGEBT ISLAND is well constructed and capable of withstanding typhoon forces.
All wooden structures on the atolls are con-
sidered unsafe for protection of life and property unless they are
strongly braced and heavily sandbagged. Quonset type warehouses are
potential sources of danger in the event of a typhoon since securing
them is a project of such magnitude that it cannot be done within the
- resources and time available after receipt of a typhoon warning. The
following conditions of typhoon readiness are established for the
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