April 27, 1952: Yuma, Arizona. 8:30 p.m. An Air Force Staff Sergeant and his wife saw a bright red, disc-shaped object as it came and went. It made a rapid climb. They may have seen one object eight times or eight objects one time.
April 29, 1952: Marshall, Texas. 3:30 p.m. Witness saw a round, white object in straight and level flight.
April 29, 1952: Near Goodland, Kansas. 10:00 p.m. Witness reported a fan-shaped object, white, in straight and level flight.
May 1, 1952: Moses Lake, Washington. An AEC employee watched a silver object in straight and level flight.
May 1, 1952: George AFB, California. 5:50 p.m. Several Air Force officers and enlisted men watched five, flat white, disc-shaped objects make a sudden 90 degree turn and disappear.
May 5, 1952: Tenafly, New Jersey. Witnessed by Judson. Carried as an unidentified in the Project Blue Book files.
May 7, 1952: Kessler AFB, Mississippi. 12:15 p.m. Four Air Force personnel saw about ten objects that were cylindrically shaped and looked to be made of aluminum dart in and out of the clouds.
May 9, 1952: George AFB, California. 10:30 a.m. Witnesses on the ground and pilot of an F-86 saw one silver colored, round object that disappeared to the north. One of a series of sightings at the base on May 9, 11, 13, 14, 20. Some were identified and many were marked as insufficient data.
May 10, 1952: Ellenton, South Carolina. 11:45 p.m. A number of civilians watched four objects, yellow in color and disc-shaped, that flew straight and level for a short period. One object was reported to have pulled up to avoid other objects on the ground.
May 14, 1952: Puerto Rico. 7:00 p.m. An attorney, among others, reported two objects, orange in color, spherical, one of which darted around.
May 20, 1952: Houston, Texas. 10:10 p.m. Three Air Force navigators watched an orange-white light coming toward them. Object flew straight except for one turn.
May 25, 1952: Walnut Lake, Michigan. 11:15 p.m. Seven civilians including a witness named Hoffman, reported a white to yellow orange moon-shaped object, which they followed in a car for thirty minutes.
May 28, 1952: Saigon, RVN. 10:30 a.m. A civilian reported a single, white-silver disc-shaped object that was in sight for two minutes.
May 28, 1952: Albuquerque, New Mexico. 1:30 p.m. A city fireman reported two sightings of a light silver and light brown, circular objects that came in from the northeast at high speed, stopped to circle and then climbed out of sight.
May 29, 1952: San Antonio, Texas. 7:00 p.m. An Air Force pilot watched a single object that he described as tubular for about eight minutes.
June 1, 1952: Rapid City, South Dakota. Carried as an unidentified in the Project Blue Book files.
June 1, 1952: Walla Walla, Washington. Carried as an unidentified in the Project Blue Book files.
June 2, 1952: Bayview, Washington. Carried as an unidentified in the Project Blue Book files.
June 5, 1952: Lubbock, Texas. Witnessed by Bacon. Carried as an unidentified in the Project Blue Book files.
June 5, 1952: Albuquerque, New Mexico. Carried as an unidentified in the Project Blue Book files.
June 5, 1952: Offutt AFB, Nebraska. Carried as an unidentified in the Project Blue Book files.
June 6, 1952: Kimpo AFB, Japan. Carried as an unidentified in the Project Blue Book files. It was also noted in the Master Index that the case file was missing.
June 7, 1952: Albuquerque, New Mexico. Carried as an unidentified in the Project Blue Book files.
June 8, 1952: Albuquerque, New Mexico. Witnessed by Markland. Carried as an unidentified in the Project Blue Book files.
June 9, 1952: Minneapolis, Minnesota. Carried as an unidentified in the Project Blue Book files. It is also noted in the Master Index that the case file was missing.
June 12, 1952: Fort Smith, Arkansas. Carried as an unidentified in the Project Blue Book files.
June 12, 1952: Marrakech, Morocco. Carried as an unidentified in the Project Blue Book files.
June 13, 1952: Middletown, Pennsylvania. Witnessed by Thomas. Carried as an unidentified in the Project Blue Book files.
June 15, 1952: Louisville, Kentucky. Witnessed by Duke. Carried as an unidentified in the Project Blue Book files.
June 16, 1952: Walker AFB, Roswell, New Mexico. Carried as an unidentified in the Project Blue Book files.
June 17, 1952: McChord AFB, Washington. Carried as an unidentified in the Project Blue Book files.
June 17, 1952: Cape Cod, Massachusetts. Carried as an unidentified in the Project Blue Book files.
June 18, 1952: Columbus, Wisconsin. Carried as an unidentified in the Project Blue Book files.
June 18, 1952: Pontiac, Michigan. Witnessed by Hoffman. Carried as an unidentified in the Project Blue Book files.
June 19, 1952: Goose AFB, Labrador. Labeled as a radar case. Carried as an unidentified in the Project Blue Book files.
June 19, 1952: Yuma, Arizona. Carried as an unidentified in the Project Blue Book files.
June 20, 1952: Korea. Carried as an unidentified in the Project Blue Book files.
June 21, 1952: Kelly AFB, Texas. Carried as an unidentified in the Project Blue Book files.
June 22, 1952. Korea. Carried as an unidentified in the Project Blue Book files.
June 23, 1952. Spokane, Washington. Carried as an unidentified in the Project Blue Book files.
June 23, 1952: McChord AFB, Washington. Carried as an unidentified in the Project Blue Book files.
June 23, 1952: Kirksville, Missouri. Carried as an unidentified in the Project Blue Book files. It is also noted in the Master Index that the case file is missing.
June 23, 1952: Oakridge, Tennessee. Carried as an unidentified in the Project Blue Book files.
June 23, 1952: New Owensboro, Tennessee. A contractor named Depp heard a sound like aircraft and looked up to see two round objects, described as looking like soap bubbles, flying one behind the other. They disappeared in about five seconds.
June 25, 1952: Tokyo, Japan. Carried as an unidentified in the Project Blue Book files.
June 25, 1952: Chicago, Illinois. Carried as an unidentified in the Project Blue Book files.
June 25, 1952. Japan, Korea area. Carried as an unidentified in the Project Blue Book files.
June 26, 1952. Terre Haute, Indiana. Carried as an unidentified in the Project Blue Book files.
June 26, 1952: Pottstown, Pennsylvania. Carried as an unidentified in the Project Blue Book files.
June 27, 1952: Topeka, Kansas. Military witnesses. Pilot saw one object that hovered and pulsated. Carried as an unidentified in the Project Blue Book files.
June 28, 1952: Lake Kishkonoug, Wisconsin. One silver white sphere was observed over the lake. The object made a 180 degree turn and became elliptical during the turn and then a sphere.
June 28, 1952: Nagoya, Honshu, Japan. Military witnesses saw a single, blue object that was elliptical. Carried as an unidentified in the Project Blue Book files.
June 29, 1952: O'Hare Airport, Chicago, Illinois. Witnesses saw one oval object which was very bright and smooth like highly polished silver. After a time, object moved at a high rate of speed and disappeared like a light bulb being shut off.
July 3, 1952: Selfridge AFB, Michigan. Carried as an unidentified in the Project Blue Book files.
July 3, 1952: Chicago, Illinois. Carried as an unidentified in the Project Blue Book files.
July 5, 1952: Norman, Oklahoma. Carried as an unidentified in the Project Blue Book files.
July 6-12, 1952: Governors Island, New York. Amateur photographer Neff was making time exposures and didn't see the object until the film was developed.
July 9, 1952: Colorado Springs, Colorado. Witnessed by military personnel. Carried as an unidentified in the Project Blue Book files.
July 12, 1952: Annapolis, Maryland. Witnessed by Washburn. Carried as an unidentified in the Project Blue Book files.