Wilbert Smith Archives Files Box 1131 03 1131-03-p156

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would be effective against the alien craft and beam x EXCALIBUR Is @ weapon to destroy the allen under- ground bases. It Is to be a missile capable of penetrating 1000 meters of Tufa/hard pecked soll such as that found in New Mexico with no operational damage. Missile ap- pogee not to exceed 30,000 feet AGL and impact must not deviate in excess of 50 meters from designated target. The device will carry a one megaton nuclear warhead. ALIENS, there wore four types of aliens mentioned in the...