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.
39 cases in CA from 1955 · page 1 of 1
Bakersfield, CA
1955 · unidentifiedOn the morning of March 30, 1955, a civilian chemist and a technician spotted an unusual object near Wright-Patterson Air Force Base in Bakersfield, California. The object was desc…
Berkeley, CA
1955 · unidentifiedOn May 19, 1955, a civilian observer in Berkeley, California reported seeing one unidentified object moving south. The sighting lasted 8 seconds. The object was described as rounde…
China Lake NAS, CA
1955 · unidentifiedAn orangish-red object approximately the size of a dime held at arm's length was observed from the control tower at China Lake Naval Air Station on the evening of July 11, 1955. Th…
Fairfield, CA
1955 · unidentifiedOn October 29, 1955, at 2:35 p.m., a civilian observer in Fairfield, California reported seeing one or possibly two objects. The witness described the initial sighting as an object…
Fontana, CA
1955 · unidentifiedBetween June 8 and July 8, 1955, an observer in Fontana, California reported seeing round objects in the night sky. The objects appeared red and flashing or yellow and steady. The…
Glenavon, CA
1955 · unidentifiedOn June 21, 1955, a civilian in Glenavon, California saw a single object. The sighting lasted about fifteen minutes. The object was seen circling. The object was cigar shaped and…
Glennavon, CA
1955 · unidentifiedOn July 14, 1955, at Glennavon, California, a civilian, a 15-year-old student, reported objects on the same day in several sightings. Each was seen from the ground and lasted a few…
Kentfield, CA
1955 · unidentifiedOn May 20, 1955, a civilian housewife in Kentfield, California saw a single object at dusk. She first saw it while sitting on the back porch of her home, to the southwest. The sigh…
La Habra, CA
1955 · unidentifiedOn July 14, 1955, at La Habra, California, a civilian reported one object for about fifteen seconds. The sighting was seen from the ground. The object was oblong and dark brown, e…
Long Beach, CA
1955 · unidentifiedOn July 14, 1955, at Long Beach, California, a witness reported one object for about five minutes. The sighting was seen from the ground. The object was round and red, about the s…
Mira Loma, CA
1955 · unidentifiedOn a spring day in April 1955, an observer in Mira Loma, California reported seeing a single object in the sky. The object was generally white with a reddish tint. It made no noise…
Mira Loma, CA
1955 · unidentifiedOn the night of July 9, 1955, three separate witnesses in Southern California reported seeing bright objects in the sky that moved in ways they found unusual. The U.S. Air Force in…
Miramar NAS, CA
1955 · unidentifiedOn the morning of February 2, 1955, a Navy commander driving a private vehicle near Miramar Naval Air Station in California noticed something odd in the sky. He was watching severa…
Modesto, CA
1955 · unidentifiedIn March 1955, near Modesto, California, an observer reported a square, white object. It was about the size of a basketball held at arm's length. The object was seen to appear and…
Mt Laguna, CA
1955 · unidentifiedOn December 17, 1955, an unusual high speed track appeared on ground radar at Mount Laguna, California. The local time was about 0945 (9:45 a.m.). The observers were USAF radar ope…
Murrieta, CA
1955 · unidentifiedOn January 24, 1955, a woman in Murrieta, California saw a shiny, aluminum-colored object in the sky around 1635 hours (4:35 p.m.). The object appeared solid and round, resembling…
Oakland, CA
1955 · unidentifiedIn 1955, in the Oakland Bay area of California, a ground observer on duty reported a round object. It was about the size of a pin head held at arm's length and silver in color. A B…
Oakland, CA
1955 · unidentifiedOn April 9, 1955, a civilian in Oakland, California reported a strange object in the sky. The sighting happened in the evening, around 8:20 p.m. local time. The witness was driving…
Palm Springs, CA
1955 · unidentified# Summary On the evening of February 19, 1955, a group of people on a beach near San Diego, California saw an unusual object in the sky. The witness who filed the report was Paul…
Rialto, CA
1955 · unidentifiedOn August 2, 1955, in Rialto, California, a civilian reported one round, yellowish-white object. The Air Force recorded the report under Project 10073, its official record for unid…
Richmond, CA
1955 · unidentifiedOn March 29, 1955, near Richmond, California, an observer reported one round object about the size of a nickel held at arm's length. It was seen to rise from the ground at about a…
Riverside, CA
1955 · unidentifiedOn December 24, 1955, in Riverside, California, a witness observed one round, red object about the size of a dime heading northeast. The object appeared stationary at first, then s…
SALONA BEACH, CA
1955 · unidentifiedOn January 13, 1955, at 9:43 p.m. local time, a civilian witness at Salona Beach, California reported seeing a light blue light that split into two objects. The sighting lasted 20…
Salton Sea, CA
1955 · unidentifiedOn March 13, 1955, near Salton Sea, California, a military pilot observed one round, silver object. The pilot of a B-47 aircraft flying 30 miles north of the Salton Sea reported th…
San Diego, CA
1955 · unidentifiedOn June 9, 1955, a civilian in San Diego, California saw a single object. It was still in sight at the time the report was made. The object drifted to the southwest. The object wa…
San Diego, CA
1955 · unidentifiedOn July 31, 1955, a 17-year-old student in San Diego, California, used binoculars to watch an unusual object in the night sky for about 20 minutes. The object appeared round, glowe…
San Francisco, CA
1955 · unidentifiedOn March 18, 1955, at night, a civilian in San Francisco, California, reported one round, pinkish-orange object. It was about the size of a pin head held at arm's length. The objec…
Santa Barbara, CA
1955 · unidentifiedIn June 1955, a witness near Santa Barbara, California, reported an object in the sky. The source was a civilian. The object was oblong and silver, about the size of a nickel held…
Santa Cruz, CA
1955 · unidentifiedOn September 16, 1955, at 5:03 p.m. local time in Santa Cruz, California, a civilian witness observed six to seven objects with tracer-like appearances that glowed white and red. T…
Santa Maria, CA
1955 · unidentifiedOn July 22, 1955, in Santa Maria, California, a civilian reported one large, silver object. The Air Force recorded the report under Project 10073, its official record for unidentif…
Santa Maria, CA
1955 · unidentifiedIn June 1955, a witness near Santa Maria, California, reported objects in the sky. The source was a civilian. The witness saw two oblong, gold objects side by side. Each looked ab…
Solidad, CA
1955 · unidentifiedOn the morning of November 1, 1955, four inmates working as Ground Observer Corps volunteers at Soledad State Prison in California reported seeing an unusual object in the sky. At…
Sonoma, CA
1955 · unidentifiedIn March 1955, near Sonoma, California, an observer reported one object about the size of a dime held at arm's length. It was silvery white. The observer thought it looked like a b…
South Bay, CA
1955 · unidentifiedOn August 9, 1955, near 4:35 p.m. local time in the South Bay area of California, a 12-year-old civilian reported one disc-shaped object. The Air Force recorded the report under Pr…
Stockton, CA
1955 · unidentifiedOn July 12, 1955, at Stockton, California, witnesses reported one object for about ten minutes. The sighting was seen from the ground. The object was a single bright flash with an…
Twenty-Nine Palms, CA
1955 · unidentifiedOn March 18, 1955, at Twenty-Nine Palms, California, a civilian reported a round object. It was about the size of a quarter held at arm's length and probably white in color, though…
Van Nuys, CA
1955 · unidentifiedOn an April night in 1955, a housewife in Van Nuys, California, stepped outside and saw a red, flashing light appear in the sky immediately after a multi-engine airliner passed ove…
Van Nuys, CA
1955 · unidentifiedOn July 24, 1955, in Van Nuys, California, a civilian reported one elliptical, silver object. The Air Force recorded the report under Project 10073, its official record for unident…
Van Nuys, CA
1955 · unidentifiedOn May 19, 1955, a civilian observer in Van Nuys, California, reported seeing a single silver object with a delta wing shape (triangular, like the nose cone of a rocket). The objec…
Browse sightings by state
Browse sightings by year