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Folder, "[NSC Meeting on] FY 1965 Underground Nuclear Test Program, 6/16/1964, Volume 2, Tab 7," National Security Council Meetings Files, NSF, Box 1 (Item)
  • and development in the very high yield area sufficiently urgent to justify tests in the megaton range at this time? Do we really need to have a 50 - 100 MT device ready for test within 90 days if the Limited Test Ban Treaty should be abrogated? When could effects