
This 1958 CIA memorandum discussing a phone conversation with Dr. Leon Davidson regarding concerns about a destroyed "space message and its transmitter." A redacted version of this memorandum has been available on CIA's public website.

This 1958 CIA memorandum discussing a phone conversation with Dr. Leon Davidson regarding concerns about a destroyed "space message and its transmitter." A redacted version of this memorandum has been available on CIA's public website.