Extensive planning at Boulder indicated the desirability of dividing the work load at the
Forward Area into two phases.

r.—_The nhasedevoted
first
principally tothe receiving of equipment
and
ndsupplies{_none

“= Rollip“of allTU-3equipment. andsupplies was“Completed
on
on ‘Apr. 16, “1954, and was turned
over to J-4 Section for return shipment to the ZI.
4.4

TASK UNIT 4, LASL ASSEMBLY

TU-4, the LASL-directed assembly group, consisted of members of the Laboratory and
personnel directly involved in fabrication assembly. With the exception co)
athe American Car and Foundry Co. (ACF) personnel had actually. made the direct fabrication assemblies
of the devices with which LASL was concerned,
itself was designed and fabricated at
LASL.._
bce ne ee neeeee
~
aati

~~“

.

7

f

I

at

“AIthe units, with the exception of Zombie and Runt Il, were shipped to Eniwetok by surface

vessel the first week in January 1954.
TU-4 operations actively got under way during the first week in January, when the first
group of people arrived in the Forward Area. Some slight revisions of facilities were required,
as well as some modifications to the device installations. Trial runs with dummy units were

~

initiated as soon as practicable, involving theactual movementof the!_.- ,jdummy to shot

location at Bikini; movement of the
\qummy, on its barge, to final Bikini anchorage; and trial loadings of dummies onto each barge.
wane vee CI ete en wee me geen ae ene ee

Since_original plans called for detonation of four devices!
wee.
aeeee
on barges and one
‘on land, all ona fairly‘tigght time scale, ‘the“majority

"~. --

wee

8 ye

wa

&

of TU-4personnel were assigned|‘to work on specific devices. The over-all TU-4 responsibili-

ty for each device was given to the LASL project leader who had followed the design and fabrication of the device,
With the arrival of the devices the detailed operation plans and manuals beganto fulfill
their real purpose in the direction of the multiphased operations. Close coordination with TU3, priorto and after arriv alat Eniwetok, was accomplished;
‘
_ {Over--all plans were coordinatedthroughtthe ‘Staffof”TG
7.1.
lL

62

Select target paragraph3