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 CONCLUDING REMARKS - DR. SHEA

Dr. Shea concluded the symposium by emphasizing that there are going to be many decisions to be made over the next 18 months, and that we will be in a position to make them as necessary. However, there is not much time for gross changes.

He brought out the fact that the software is at least as critical as the hardware, and that we will never have as much confidence in the qualification of the software as we have in the qualification of the hardware. This is because the software comes late, and because it con­ tains so many multiple paths of operation that it is almost impossible to run enough simulations to check every possible combination.

He then summarized the status of the hardware:
 * The Saturn I-B is already flying as a launch vehicle.
 * The checkout cycle of what will be the first manned CSM is al­ready far along and the flight will occur next year.
 * Almost all of the stages of the Saturn V have been delivered. It will fly next year.
 * The LM and the first Block II CSM should fly next year.
 * The capability to do the lunar mission should be available to us very soon.

Dr. Shea closed his remarks by suggesting that all attendees have an obligation to review the results of the symposium and send comments to Mr. Owen Maynard at the Manned Spacecraft Center.