The Project Bluebook "Unknowns"

June 18, 1952; Walnut Lake, Michigan. 10 p.m. Witnesses: Marron Hoffman and four relatives, using 4x binoculars. One orange light was observed zigzagging and then hovering for an unspecified length of time.

June 19, 1952; Goose Bay, Labrador, Canada. 2:37 a.m. Witness: 2nd Lt. A'Gostino and unidentified radar operator. One red light turned white while wobbling. Radar tracked a stationary target during the 1 minute sighting.

June 19, 1952; Yuma, Arizona. 2 p.m. Witness: USAF pilot John Lane. One round, white object flew straight and level for 10 seconds.

June 20, 1952; Central Korea. 3:03 p.m. Witnesses: four Marine Corps Captains and pilots of F4U-4B Corsair fighter planes. One 10-20' white or silver oval object made a left-hand orbit at terrific speed for 60 seconds.

June 21, 1952; Kelly AFB, Texas. 12:30 p.m. Witness: T/Sgt. Howard Davis, flight engineer of B-29 bomber at 8,000' altitude. One flat object with a sharply pointed front and rounded rear; white with a dark blue center and red rim, trailed sparks as it dove past the B-29 at a distance of 500', in l second.

June 22, 1952; Pyungthek, Korea. 10:45 p.m. Witnesses: Two Marine Corps Sergeants. One 4 ft. diameter object dove at a runway shooting red flames, hovered briefly over a hill, turned 180 , flashed twice and was gone.

June 23, 1952; Spokane, Washington. 4:05 p.m. Witness: Airport weather observer Rex Thompson. One round disc with a metallic shine flashed, and fluttered like a flipped coin for 5-7 minutes.

June 23, 1952; McChord AFB, Washington. 9 p.m. Witness: 2nd Lt. K. Thompson. One very large light flew straight and level for 10 minutes. No further information.

June 23, 1952; Kirksville, Missouri. Case missing from official files.

June 23, 1952; Oak Ridge, Tennessee. 3:30 a.m. Witness: secretary Martha Milligan. One bullet-shaped object with burnt-orange exhaust flew straight and level for 30-60 seconds.

June 23, 1952; Owensboro, Kentucky. 10:00 a.m. Witness: National Guard Lt. Col. O. L. Depp. Two objects looking like "giant soap bubbles", reflecting yellow and lavender colors, flew in trail for 5 seconds.

June 23, 1952; Location unknown, but information came via Japan Hq. "CV 4359". 6:08 a.m. Witness: USAF pilot of the l8th Fighter-Bomber Group. One black coin-shaped object, 15-20' in diameter, made an irregular descent.

June 25, 1952; Chicago, Illinois. 8:30 p.m. Witnesses: Mrs. Norbury, Mr. Matheis. One bright yellow-white, egg-shaped object which sometimes had a red tail, made seven circles in 1 1/2 hours.

June 25, 1982; Japan-Korea area. Case missing from official files.

June 26, 1952; Terre Haute, Indiana. 2:45 a.m. Witness: USAF 2nd Lt. C. W. Povelites. Undescribed object flew at 600 m.p.h. and then stopped. No further information in files.

June 26, 1952; Pottstown, Pennsylvania. 11:50 p.m. Witness: assistant manager of airport. Three sightings of flashing lights: two lights separated by 2 miles, with the leader flashing steadily and the other irregularly; two similarly flashing lights, but with l mile separation; finally a single light. Speed estimated at 150-250 m.p.h.. Total of 1/2 hour.

June 27, 1952; Topeka, Kansas. 6:50 p.m. Witnesses: USAF pilot 2nd Lt. K. P. Kelly and wife. One pulsating red object which changed shape from a circular to a vertical oval as it pulsed. Was stationary for about 5 minutes, then went out.

June 28, 1952; Lake Kishkanoug, Wisconsin. 6 p.m. Witness: G. Metcalfe. One silver-white sphere became an ellipse as it turned and climbed away very fast. 10 seconds.

June 28, 1952; Nagoya, Japan. 4:10 p.m. Witness: Capt. T. W. Barger, USAF electronics countermeasures officer. One dark blue elliptical-shaped object with a pulsing border flew straight and level at 700-800 m.p.h..

June 29, 1952; O'Hare Airport, Chicago, Illinois. 5:45 p.m. witnesses: three USAF air policemen. One bright silver, flat oval object surrounded by a blue haze, hovered, then moved very fast to the right and to the left, and up and down for 45 minutes.

July 3, 1952; Selfridge AFB, Michigan. 4:15 a.m. Witnesses not identified. Two big lights, estimated at 20' diameter, flew straight and level at tremendous speed.

July 3, 1952; Chicago, Illinois. 11:50 p.m. Witness: Mrs. J. D. Arbuckle. Two bright pastel green discs flew straight and level very fast for 6 seconds.

July 5, 1952; Norman, Oklahoma. 7:58 p.m. Witness: Oklahoma State Patrolman Hamilton in State Patrol airplane. Three dark discs hovered and then flew away, silhouetted against a dark cloud. 15 seconds.

July 6-12, 1952; Elizabeth, New Jersey. 11:00 p.m. Witness: Charles Muhr. Four pictures taken of some indistinct light which was admittedly not seen visually, but which appeared on the negatives.

July 9, 1952; Colorado Springs, Colorado. 12:45 p.m. Witness: USAF pilot Maj. C. K. Griffin. One object shaped like an airfoil less its trailing edge, luminous white, moved slowly and erratically for 12 minutes.

July 9, 1952; Kutztown, Pennsylvania. 6:30 p.m. Witness: farmer John Mittl. One aluminum, oval-shaped object changed direction and attitude, finally tipping on end and departing after 20 seconds. Case file includes three vague photographs.

July 9, 1952; Rapid City AFB, South Dakota. 3:35 p.m. Witnesses: S/Sgt. D.P. Foster and three other persons. Three times, a single white, disc-shaped object sped by, straight and level, in 5 seconds.

July 12, 1952; Annapolis, Maryland. 3:30 p.m. Witness: insurance company president William Washburn. Four large, elliptical-shaped objects were seen to fly very fast, stop, turn 90* and fly away in 7-8 seconds. .

July 12, 1952; Kirksville, Missouri. 9 p.m. Witnesses: many radar controllers who were military officers. Several big blips tracked on radar at 1,500 kts. (1,700 m.p.h.). There was no visual sighting.

July 14, 1952; Norfolk, Virginia. 8:12 p.m. Witnesses: Pan American Airways First Officer William Nash, Second Officer William Fortenberry. Eight large, round, glowing red objects maneuvered below their airliner, in formation.

July 15, 1952; West Palm Beach, Florida. 10:10 p.m. Witnesses: J. Antoneff and two other persons. One discus-shaped object, grayish, except when hovering, when it appeared muddy. Hovered over Palm Beach International Airport, then followed an SA-l6 twin-engined amphibian and flew away after 40-60 seconds.

July 16, 1952; Beverly, Massachusetts. 9:35 a.m. Witness: U.S. Coast Guard photographer Shell Alpert. Four roughly elliptical blobs of light in formation photographed through window of photo lab.

July 17, 1952; White Plains, New York. 3:10 p.m. Witness: Mrs. Florence Daley. Two round objects, bluish-white with brighter rims, flew in formation, making a sound like bombers, only softer. Note: Later, the witness stated she heard many feminine voices coming from the objects.

July 17, 1952; Lockbourne, Ohio. 11 a.m. Witness: Air National Guard employees. One light like a big star was seen for 3 hours, but disappeared when an aircraft approached. Also seen the night of July 20, 22 and 23.

July 18, 1952; Lockbourne, Ohio. 9:10 p.m. Witnesses: T/Sgt.