Several things pop up here that i have posted on because of independent reports from 'rogue' participants that appear to be confirmed here. Better a lot of new material fills in blanks in other reports and adds much more creditable detail. It is curious that Carter was kept out of the loop.
We do get an excellent education in the security arrangements and the cover operations used.
The secrecy was never meant to hold up forever but it was meant to put most to sleep or off track.
“In this matter, public opinion must be recognized as a factor of considerable importance, even if clearly affirmative might have the effect of placing before the American people a moral question of vital historical significance at a time when the full security impact of the question had not become apparent. If this decision is to be made by the American people, it should be made in the circumstances of an actual disclosure of the existence of space beings who had visited Earth. In other words, the American public might hesitate to believe the existence of space beings unless the American Government showed proof.”