169
III
troublesome; however, these difficulties were overcome gradually, per-
mitting « calibration and chec:-out of equipment, and on 6 April 1958,
the air Operations Venter reached operational status, ever though a Lack
of reyuired ultra nign frequency crystals still hampered the over-all use
of the system,
fhe lack of crystals eventually was overcome when Task
Group 7.4 was aole to borrow a sufficient number from otner organizations
in the proving yround.
The maintenance of communications and electronics equipment oftey
was deterred because of the 24 hour overation of the center.
Mainte:.ance,
Nowever, was performed as much as possible during non-test veriods, and
this methoa ultimately proved to be adejuate.
vespite inevitable supoly dirficulties, the deteriorating eifects of
the proving ground climate, and the high rate of usage of available equipment, the air control system and its relate. conmunications systems were
ade.juate -o meet the neeas of Task Uroup 7.4..
G.
MAINTE ANCK Goat aGu
fhe Maintenance vontrol unit, consisting of tne task group M intenance
Officer and nine airmen, was estublished by tne Director of materiel soon
after-arrival at eniwetok of the advance echelon, to assist tne aircraft
maintenance organizations in performin,, tiie maintenance mission,
. G
AFWL/ HO