43Total Sightings
22Gov. Confirmed
CAMost Active State
unknownTop Shape
Notable Sightings in 1951
Sacramento (CA) — Unknown (1951)
Project Blue Book Case #907 — Officially listed as UNKNOWN. Unidentified object at McClellan Air Force Base near Sacramento Califo…
Fairbanks (AK) — Unknown (1951)
Project Blue Book Case #897 — Officially listed as UNKNOWN. Unidentified object at Ladd Air Force Base Alaska.
Niagara Falls (NY) — Unknown (1951)
Project Blue Book Case #925 — Officially listed as UNKNOWN. Unidentified aerial object over Niagara Falls New York.
New Delhi — Unknown (1951)
Project Blue Book Case #908 — Officially listed as UNKNOWN. International case — unidentified object over New Delhi India.
Oak Ridge (TN) — Unknown (1951)
Project Blue Book Case #1021 — Officially listed as UNKNOWN. Second unidentified report from Oak Ridge nuclear facility in 1951.
Durban — Unknown (1951)
Project Blue Book Case #896 — Officially listed as UNKNOWN. International case from Durban South Africa.
Sunbury (OH) — Unknown (1951)
Project Blue Book Case #1023 — Officially listed as UNKNOWN. Unidentified aerial object over Sunbury Ohio.
Mankato (MN) — Unknown (1951)
Project Blue Book Case #1013 — Officially listed as UNKNOWN. Unidentified aerial object over Mankato Minnesota on Christmas Eve 19…
Washington (DC) — Unknown (1951)
Project Blue Book Case #1011 — Officially listed as UNKNOWN. Unidentified object at Andrews Air Force Base Washington DC.
Happy Valley-Goose Bay — Unknown (1951)
Project Blue Book Case #969 — Officially listed as UNKNOWN. Unidentified object at Goose Air Force Base Labrador Canada — a key Co…
Claremont (CA) — Unknown (1951)
Project Blue Book Case #964 — Officially listed as UNKNOWN. Unidentified aerial object over Claremont California.
Matador (TX) — Unknown (1951)
Project Blue Book Case #962 — Officially listed as UNKNOWN. Unidentified aerial object over Matador Texas in the panhandle region.
Albuquerque (NM) — Light (1951)
Blue Book Case #955 — The Lubbock Lights series. A formation of lights flew over multiple Texas and New Mexico cities in late Augu…
Minneapolis (MN) — Unknown (1951)
Project Blue Book Case #989 — Officially listed as UNKNOWN. Unidentified aerial object over Minneapolis Minnesota reported by rese…
Albuquerque (NM) — Unknown (1951)
Project Blue Book Case #955 — Officially listed as UNKNOWN. Lubbock Lights related case. Unidentified formation of lights over Alb…
Terre Haute (IN) — Unknown (1951)
Project Blue Book Case #985 — Officially listed as UNKNOWN. Unidentified aerial object over Terre Haute Indiana.
Kadena — Unknown (1951)
Project Blue Book Case #984 — Officially listed as UNKNOWN. Unidentified object at Kadena Air Base Okinawa — the largest US Air Fo…
Portsmouth (NH) — Unknown (1951)
Project Blue Book Case #943 — Officially listed as UNKNOWN. Unidentified aerial object over Portsmouth New Hampshire near Pease Ai…
Columbus (OH) — Unknown (1951)
Project Blue Book Case #980 — Officially listed as UNKNOWN. Unidentified aerial object over Columbus Ohio.
Tokyo — Unknown (1951)
Project Blue Book Case #886 — Officially listed as UNKNOWN. Unidentified object at Johnson Air Base Japan during the Korean War pe…