NRO-MOL_2015
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Chapter III - DYNA-SOAR KILLED, <strong>MOL</strong> APPROVED<br />
29<br />
Figure 23. <strong>MOL</strong> Model<br />
Source: CSNR Reference Collection<br />
Defense Secretary Gilpatric—wrote to McNamara: “I<br />
hate to see us getting into a position of abandoning a<br />
program such as Dyna-Soar and start a new program<br />
which is based upon program data and costs that could<br />
be quite optimistic. In addition, I think it is going to be<br />
very hard to make clear to Congress and the public the<br />
basis for the action that is proposed.” Zuckert asked for<br />
an opportunity to discuss the subject with McNamara, “if’<br />
the final decision has not been made. 15<br />
Dr. Flax, meanwhile, prepared and forwarded to Zuckert<br />
his views on the “unwise” OSD proposal to cancel Dyna-<br />
Soar. He also noted that DoD had given no serious<br />
consideration to using the X-20 as a possible element<br />
of any space station program, and he commented on<br />
(among other things) the possible additional costs<br />
involved in using the Gemini:<br />
With the Gemini vehicle, even with a large<br />
number of recovery areas, it may be necessary to<br />
provide backup systems for considerably longer<br />
periods of up to a day or more. Also, in order to assure<br />
the capability for emergency sea recovery, it would be<br />
necessary to keep naval and air elements deployed on a<br />
continual basis over the entire period of manned space<br />
station flight. Costs of such deployments over the period<br />
of a year could easily negate any savings associated<br />
with any cost differential between Gemini and X-20 type<br />
vehicles. Even if emergency situations are ignored, the<br />
cost of regular monthly recoveries at sea for Gemini reentry<br />
vehicles would substantially exceed the cost of<br />
land recovery of X-20 vehicles and this may well offset<br />
any payload advantages of the Gemini. 16<br />
On 5 December Secretary Zuckert forwarded Flax’s<br />
comments to McNamara and again expressed his opinion<br />
that the X-20 deserved to be given serious consideration<br />
for a role in the manned military space experiment.<br />
The same day Flax also dispatched to DDR&E the<br />
Air Force’s quick-reaction study and evaluation of the<br />
recommendations contained in Brown’s 14 and 30<br />
November memoranda. Among other things, the USAF