-
Expansion
that even the expansion program would lead to'an excess of fissionable
Progran material in 5-7 years, and (2) great advantages are to be gained from the
Weapon
Require- flexibility-in weapon designs permitted by an adequate supply of fissionable
ments
‘material.
For example, the use of 30-inch weapons delivered by fighters
might lead'to enormously greater effectiveness than 60-inch weapons delivered by bombers.
It 4s very important to keep such design parameters free,
and not limited by the amount of available material.
Mr, Whitman again
expressed his position against the concept that one can predict a limit to
the number of bombs needed. One must have tremendous numbers on hand, far
greater than the number which will actually be shot.
The sentiment of the
Committee was that it would be unfortunate to discontinue Portsmouth, and
that the point of weapon flexibility was particularly important.
At 9:35 a.m. the Comittee met with Captain J. A. Waters, Mr. F.
Security Hammack, Mr, Boyer, and Mr. W. J. Williams, to discuss the Commission's
Clearances
security clearance policies,
Dr, Rabi explained that the Committee was interested in the clearance
policies for scientific personnel, and’in such matters as the time required
to ottain clearances, the use of the Nationel Laboratories for unclessified
rescerch, etc,
Captain Waters reviewed clearance process,
required by law for access to restricted data.
Security clearance is
It is granted on the basis -
of an investigation by the FBI or the Civil Service Coumission of the
individual's character, loyalty, and associations,
An FBI investigation is
required for access to the more sensitive areas of information, as determine
by the Commission,
An FBI investigation takes about 45 days and costs $205.
A Civil Service investigation costs $196.
Dor
FARCRY
Cr