Project Blue Book 1953

1953 Ellsworth AFB UFO encounter: An F-84 jet intercepting a large bluish-white light over South Dakota.

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South Dakota Sightings

1953: Ellsworth Air Force Base UFO Incident

Published: October 24, 2012 | Updated: February 10, 2026

THINK ABOUTIT UFO SIGHTINGS REPORT On August 5, 1953, one of the most significant radar-visual encounters in UFO history occurred at Ellsworth Air Force Base in South...

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Contact Think-Aboutit - Independent UFO Research Terminal 2026

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Published: March 6, 2026 | Updated: March 6, 2026

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Texas Sightings

2009: Arlington Texas Midnight Military Sighting

Published: February 4, 2026 | Updated: April 18, 2026

Illustration of a bright white orb and a red octopus-shaped entity with glowing points on its legs hovering over a rocky bay at night.

26 minutes read

Utah Sightings

2023: Lake Powell UAP: Detailed Account of Orbs and “Octopus” Entities

Published: January 27, 2026 | Updated: January 28, 2026

Illustration of a 1968 UFO encounter in Warren, Ohio, showing a metallic object pacing a Cessna 172 Skyhawk at night

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Ohio Sightings

1968: Plane Paced by UFO, Warren, Ohio

Published: January 13, 2026 | Updated: January 27, 2026

1953: Ellsworth Air Force Base UFO Incident

From the Archive

Contact Terminal

2009: Arlington Texas Midnight Military Sighting

2023: Lake Powell UAP: Detailed Account of Orbs and “Octopus” Entities

1968: Plane Paced by UFO, Warren, Ohio