24Total Sightings
15Gov. Confirmed
CAMost Active State
diskTop Shape
Notable Sightings in 1948
— Disk (1948)
Kentucky Air National Guard pilot Captain Thomas Mantell pursued an unidentified object in his F-51 Mustang after it was reported …
— Unknown (1948)
Kentucky Air National Guard pilot Captain Thomas Mantell pursued an unidentified aerial object and crashed after his aircraft exce…
— Disk (1948)
This file contains memorandums, correspondence, and forms related to the reporting of information on flying discs and investigatio…
— Disk (1948)
An Air Force intelligence report from November 1948 relating to unidentified flying objects and flying saucers.
Albuquerque (New Mexico) — Orb (1948)
A 116-page declassified file from the Armed Forces Special Weapons Program (AFSWP) documents 209 sightings of unidentified aerial …
— Orb (1948)
This file contains 116 pages of documentation from the Armed Forces Special Weapons Program (AFSWP) – the direct, post-World War I…
— Disk (1948)
This file contains an initial report from the Air Materiel Command regarding Project Sign. Project Sign was a 1948-1949 U.S. Air F…
— Disk (1948)
An Air Force intelligence report from November 1948 relating to unidentified flying objects and flying saucers.
Kyushu — Unknown (1948)
Project Blue Book Case #218 — Officially listed as UNKNOWN. Unidentified aerial object reported over Kyushu Japan by US military p…
— Disk (1948)
This file contains memorandums, correspondence, and forms related to the reporting of information on flying discs and investigatio…
San Pablo (CA) — Unknown (1948)
Project Blue Book Case #208 — Officially listed as UNKNOWN. Unidentified aerial object reported over San Pablo California.
— Unknown (1948)
This file contains a U.S. Air Force (USAF) Air Intelligence Division study, “Analysis of Flying Object Incidents in the United Sta…
Alamogordo (NM) — Unknown (1948)
Project Blue Book Case #139 — Officially listed as UNKNOWN. Unidentified object reported at Holloman Air Force Base New Mexico — a…
Fairfield (CA) — Unknown (1948)
Project Blue Book Case #257 — Officially listed as UNKNOWN. Second unidentified report from Fairfield-Suisan AFB California in 194…
Indianapolis (IN) — Unknown (1948)
Blue Book Case #185 — Unidentified aerial object reported over Indianapolis in July 1948. One of the early cases from Project Sign…
borger (tx) — Disk (1948)
Dull silver disk flying west at incredible speed making no sound above swimmers in pool.
conshohocken (pa) — Disk (1948)
my cousin (female) and friend (male) myself (male) app. age 10-12 yrs just finnished playing ball, laying on ground on our bac…
new york city (brooklyn) (ny) — Sphere (1948)
A round overing craft over neighbors roof, emitting a roaring sound , observed fire like a jet engine beneath
ojai (ca) — Light (1948)
UFO sighting in Ojai, CA in 1948
baltimore (md) — Disk (1948)
Two UFO"S in flight over Baltimore leaving trails no sound that influence me.