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This Project Blue Book case file, released through The Black Vault, collects records on the 24 July 1948 sighting by two Eastern Airlines pilots of a wingless object about 20 miles southwest of Montgomery, Alabama. It contains teletype replies from military bases reporting no aircraft movements, a 1948 Project Sign special investigation report with an interview of a Robins Air Force Base witness, and a December 1948 intelligence report. It also includes newspaper extracts, a Harvard College Observatory letter and Hynek's Project Grudge evaluation index.
“Project Sign”15 pages
# Second Region August 23, 1943 Operations Manager Pan American Airways, Inc. P.O. Box 3311 Miami 31, Florida The Air Material Command is desirous of obtaining all flight schedules of commercial aircraft flown in the Mississippi, Alabama, Tennessee, North Carolina, South Carolina, Georgia and Florida areas, on July 23, and July 24, 1943, the type of aircraft flown, time and place of departure, and the time and place of destination. Please reply to this office in order that your schedules may be consolidated and forwarded to the Commanding General of the Air Material Command. Very truly yours, Chief, Air Carrier Operations CC: Air Wateriel Command
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