for

the

islands that were

included in the PPG).

The United St

ever, did not actually own the territory being used, but rather
held in trust.

Furthermore, the territory was remote from the

States and required special supply and security arrangements ap
to military operations.

Finally, the organization for which th

were being developed was the U.S. military establishment.
The DOD requirements for nuclear weapons were apparently fo
the AEC weapons laboratories through the Military Liaison Commi

Figure 11).

The AEC laboratories then designed the devices tha

tested at the appropriate proving ground, either the NPG or the
special location of the PPG required a miltary operation to con
tests.

The JTF 7 Scientific Director actually directed the tes

CJTF 7 enforced his decisions.

The joint task force was divided] into

functional and service-branch oriented units, each of which repofted to

CUOTF 7 through separate task group commanders.

Task Group 7.1 (Scientific)
TG 7.1 was the centerpiece of the operation.

It contained rq@presenta-

tives of the organizations providing the devices and the represegtatives
of the DOD laboratory organizations interested in the effects of{the devices.

All the other groups at the PPG were there to assist TG 4.1.

[TG 7.1 was primarily led by LASL.

The newer laboratory, UCRIJ, did

provide one test device in CASTLE and a large contingent of persdmnel, but
most of the key positions in TG 7.1 were held by LASL personnel.

There

waS a "Deputy for UCRL,”™ a position that recognized both the new

Babora-

tory and its junior position.

The task group was organized into

fask

units with special functions.

There were 12 task units, but they] were

designated 1 through 15, with no task units corresponding to 5, 19, and ll.
TASK UNIT 1 -~ LASL PROGRAMS.

The function of this unit was

diagnostic measurements of the LASL-designed nuclear devices.

DO

fo make
person-

nel did participate to a certain extent in this task unit, as furffher discussed in Chapter 3.

TU 1 personnel totaled about 145.
55

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