USAF · 1947 to 1969
Project Blue Book Case Files
The U.S. Air Force's 22-year investigation into reported UFO incidents, drawn from the National Archives. Each case below has a journalistic summary written from the original file. Use the search box to find a place or date, or filter by state and year.
10 cases in PA from 1956 · page 1 of 1
Aliquippa, PA
1956 · unidentifiedOn May 3, 1956, at 2:48 a.m. in Aliquippa, Pennsylvania, civilian and Air Force witnesses reported a sighting of seven silver objects in a V formation moving south at an estimated…
Colonnial Hill, PA
1956 · unidentifiedOn August 13, 1956, at dusk near Colonial Hill, Pennsylvania, a civilian observer reported five black objects flying together about the size of birds. The objects moved west, then…
Dallas, PA
1956 · unidentifiedOn September 30, 1956, in Dallas, Pennsylvania, a witness observed an unusual yellow object in the night sky. The object appeared snowflake-shaped and about the size of a basketbal…
Donora, PA
1956 · unidentifiedOn August 19, 1956, a civilian in Donora, Pennsylvania, reported a single object. The sighting was recorded at 0340Z (night) and lasted about one hour and thirty-five minutes, exce…
Ellwood, PA
1956 · unidentifiedOn 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…
Juniata, PA
1956 · unidentifiedOn August 28, 1956, a civilian in Juniata, Pennsylvania, reported a single object. The sighting was recorded at 0255Z and lasted about three minutes. The witness described one cir…
McKeesport, PA
1956 · unidentifiedOn November 2, 1956, civilians saw three objects over McKeesport, Pennsylvania. The main witness worked at a steel company. About 25 people watched the objects for roughly four min…
Philadelphia, PA
1956 · unidentifiedOn the evening of March 29, 1956, a bright white object with a faint orange tint appeared in the sky over Philadelphia, Pennsylvania during the twilight hours. The witness observed…
Pittsburgh, PA
1956 · unidentifiedOn August 18, 1956, a military witness in Pittsburgh, Pennsylvania, reported a single object. The sighting was recorded at 0208Z and lasted about one hour and forty-five minutes.…
Pottsville, PA
1956 · unidentifiedOn October 13, 1956, a civilian near Pottsville, Pennsylvania reported one pear-shaped, silver object about the size of a pea held at arm's length. The object appeared stationary w…
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