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.
81 cases in IL · page 2 of 2
Paris, IL
1955 · unknownIn March 1955, Eugene Metcalf of Paris, Illinois reported witnessing what he described as a jet aircraft being abducted by an unidentified flying object. According to Metcalf's acc…
Springfield, IL
1955 · unknownOn September 18, 1955, at night, a civilian saw an object near Lake Springfield in Springfield, Illinois. The witness was a 14-year-old student watching for aircraft through Ground…
Danville, IL
1954 · unidentifiedOn June 25, 1954, military witnesses near Danville, Illinois, watched a strange object for about two hours. A call from the University of Illinois airport in Champaign first drew t…
Imperial, IL
1954 · unidentifiedOn the night of October 8, 1954, a civilian in Imperial, Illinois saw a bright object streak across the sky. The witness described it as round, about the size of a fifty-cent piece…
Naperville, IL
1954 · unidentifiedOn January 23, 1954, a civilian in Naperville, Illinois reported seeing moving lights that made a sharp turn. The object was observed for 5 minutes traveling at an estimated 600 to…
New Baden, IL
1954 · unidentifiedOn September 18, 1954, a civilian reported an object near New Baden, Illinois. The witness was a senior engineer at Scott Air Force Base who was fishing for bass in the early morni…
Oak Park, IL
1954 · unidentifiedIn 1954, a fast moving object was reported over Oak Park, Illinois. The witnesses were civilians, and the sighting was made from the ground at 0030 Zulu time. The report was filed…
Scott AFB, IL
1954 · unidentifiedOn October 2, 1954, at 7:21 a.m., a pale blue object was sighted near Scott Air Force Base, Illinois. One round object, the size of a baseball, was observed at 15 degrees elevation…
East St Louis, IL
1953 · unknownOn May 17, 1953, about 1937 (7:37 p.m.) Central time, civilians saw an object over East St. Louis, Illinois. The witnesses were four boys, ages 11 to 13, who described it to an adu…
Mascoutah, IL
1953 · unknownOn March 28, 1953, at about 1430 (2:30 p.m.) Central time, a civilian reported an object near Mascoutah, Illinois, while driving east on Highway 15 about five miles east of town. T…
Peoria, IL
1953 · unknownOn August 17, 1953, two separate incidents occurred in the Peoria, Illinois area involving unidentified flying objects observed by multiple civilians, along with radar operators at…
Chanute AFB, IL
1952 · unidentifiedOn the evening of September 16, 1952, three men in the control tower at Chanute Air Force Base in Illinois noticed an unusually bright bluish-white light in the sky. The object was…
Chicago, IL
1952 · unidentifiedOn June 11, 1952, a Chicago resident watched two dark blue, globular objects with grey centers move across the sky above northwest Chicago. The observer was standing outdoors about…
GRANITE CITY, IL
1952 · unidentifiedOn the night of February 13, 1952, radar operators at Granite City Engineer Depot in Granite City, Illinois tracked an unidentified object while conducting a bombing run evaluation…
Homewood, IL
1952 · unidentifiedOn April 28, 1952, in Homewood, Illinois, two civilian women reported an unusual object in the sky. The sighting happened about 1700 (5:00 p.m.) and lasted about three minutes. Th…
Lombard, IL
1952 · unidentifiedOn the morning of May 21, 1952, a spherical glass object struck a mailbox at a home in Lombard, Illinois. The impact happened around 5:30 a.m. and dented the rounded corner of the…
MOMENCE, IL
1952 · unidentifiedOn October 19, 1952, a GAP pilot and observer near Momence, Illinois, reported seeing a round silver ball flying at high speed at 1,000 feet altitude while on a search mission. The…
Paris, IL
1951 · unknownOn October 9, 1951, a private pilot flying from Greencastle, Indiana, to Paris, Illinois, spotted a silver object near Paris at 5,000 feet altitude. The object appeared stationary…
Bradford, IL
1950 · unknownOn March 13, 1950, at about 8:05 a.m., a civilian near Bradford, Illinois, reported a saucer shaped object. The sighting was made from the air and relayed through aviation authorit…
Chicago, IL
1950 · unknownOn July 1, 1950, around 1:09 a.m., a man in or near Chicago, Illinois, reported a bright object in the sky. The witness was a civilian doctor. He said the object flew from north to…
Danforth, IL
1947 · unknownIn August 1947, a farmer near Danforth, Illinois found a collection of metal and ceramic fragments on his land. He reported that the object had landed in the middle of his field an…
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