Wilbert Smith Archives Files Box 1130 02 1130-02-p004

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On the other hand on coverage of this contine weather radars, military surveillance ra missile detection systems — and one realizes that it would be impossible not to pick up and track any extraterrestrial spacecraft. For example, experiments have shown that a high-power air-defense radar can detect a single bird at ranges up to 160 km, and even a single bumblebee released from an aircraft. It has been stated that some of the best missile detection radars can detect an object the size of a0.22...