A aystem to allow dry run tests of shot barge equipment at the Parry
barge slip would allow still further acceleration of the shot schedules without decreasing the reliability of the firing system.
Separation of the LASL and Livermore laboratory efforts on two atolls
made possible better coordination of the work at each site and should be re-

tained in the future if possible.

In order to maintain morale and improve coordination with the home

laboratory, it is desirable to rotate people between field and the ZI more
frequently. This is especially important if {t is desired to maintain the

capacity to add new devices to the shot schedule during the operation.

4.2

TASK UNIT 2, UCRL PROGRAMS

Task Unit 2 was organized to field UCRL-designed weapons and nuclear
devices and to carry out diagnostic experiments designed to measure certain
of their properties. The techniques used to obtain the various measurements
are outlined briefly in Sec. 2.3. They are also described in greater detail
in the preoperational and technical reports of the various programs.
The concept of UCRL and LASL limiting their activities to separate

atolls was introduced for the first time in Hardtack. It proved to be a very
satisfactory arrangement for the major portion of the operation, although a
combination of factors resulted in the necessity of shifting several UCRL
shots to Eniwetok during the latter stages of the program. Chief among the

factors requiring UCRL to shift devices to Eniwetok was the tight production
schedules encountered in the fabrication of devicea and the inherently poorer
shooting weather encountered at Bikini when compared to Eniwetok. Much of

the diagnostic support required at Eniwetok was provided by EG&G; without

this support the two~atoli operation would not have been possible.
The operation was very successful on all counts. It is recommended
that the policy of concentrating an individual laboratory's major effort on
one atoll should be continued.
Multiple shot sites should be prepared at each atoil. This makes it
possible to fire several devices during a short period of favorable weather.
A small number of the support craft should be equipped with radios
which would permit personnel aboard to communicate directly with their Task
Unit headquarters. This could be limited to one LCM, LCU, and helicopter.
Teletype and telephone service cleared through Secret Restricted Data
should be available to any complex or island on the atoll that is the site of
a major camp.

Each shot within an atol] should have a completely independent timing
and firing system, making it possible to dry run one device while another is
in a ready state,
The Task Unit Commander should have direct communications from the
CP to the sample control aircraft at all times.

4.3

TASK UNIT 3, DOD PROGRAMS

Task Unit 3 was activated in the EPG on March 15, 1958, and was organized to conduct approved weapon effects tests under the operational control
of CTG 7.1 and the technical direction of the Chief, Armed Forces Special
Weapons Project.

Since activities involved vast areas of the Pacific region,

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Select target paragraph3