Project Blue Book Case File
HARTSVILLE, SOUTH CAROLINADecember 1952
Summary
On December 1, 1952, an Air Force pilot near Hartsville, South Carolina reported observing a circular silver object about the size of a half dollar from a distance of ten miles. The object appeared to oscillate while losing altitude at a rate suggesting a speed of 300 miles per hour and an altitude of 15,000 feet. The sighting lasted 10 to 15 seconds. An investigation checked the report against a similar sighting from Greensboro, North Carolina on December 1. The Air Force concluded the object was a conventional balloon.
Reported location
HARTSVILLE, SOUTH CAROLINA
Date of incident
December 1952
State / country
SC / US
Page count
1 scanned page
USAF evaluation
unidentified
Microfilm
T1206, Roll 16