Project Blue Book Case File
Ellwood, PennsylvaniaSeptember 1956
Summary
On September 21, 1956, a civilian in Ellwood, Pennsylvania reported seeing a cube-shaped object about three feet square at an estimated 3,000 feet altitude. The object moved up and northeast, then disappeared at about 10,000 feet. The witness observed it visually for 61 minutes using 16 x 50 binoculars. The sighting lasted 61 minutes total. Wind and observation conditions were noted. The Air Force evaluated the sighting as unidentified, though a balloon was considered as a probable cause in the comments section.
Reported location
Ellwood, Pennsylvania
Date of incident
September 1956
State / country
PA / US
Page count
3 scanned pages
USAF evaluation
unidentified
Microfilm
T1206, Roll 26