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The USS Boxer with the USd12 and the communications equigment, departed from the Zone of Interlor on 15 February 1958 and arrived in the
Eniwetok Proving Ground on 3 March 1998, The second van, without equipment, was delayed in the maintenance process at Sacramento Air Materiel
Area and did not arrive in the proving ground until mid-April 1958,
Holmes and Narver (Task Group 7.5) began in early March to refurbish
and modify the Air Operations Center room in Building 90 at Eniwetok to
accomodate the control equipment and associated comminications gear,
In-
stallation of the equipment was completed and the center became operational
on 18 March, even though sone ‘communications hot lines were not yet iastalled,
The center engaged in two rehearsals late in March partially
to test the operation of the control systen,
The receiver portions of the air-ground eommnications equipment, ware
installed in Building 69 and functioned from that location untdl the arrival of the second van from Sacramento Air Materiel Area in mid-April,
When the van arrived at Eniwetok and was made available, the receiver equipment was transferred from Building 89 and was put into operation without interrupting the functioning of the over-all control and commmications
systen.
Sampling.
According to the book message, 16 B-57 aircraft were to
be used for sampling operations during HARDTACK,
Ten of these, 3-57B's,
were to be provided by the 926th Test Squauron, and six (3457D's) by
Strategic Air Command,
During the lust months of 1957, the 926th was
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