Hill Air Force Base

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Hill Air Force Base

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govSep 18, 2026

DOW-UAP-D102, Project Blue Book File on Tremonton Film, Utah, 1952

Department of War156 pagesSep 18, 2026RELEASE-06-FILE-001-DOW-UAP-D102-PROJECT-BLUE-BOOK-FILE-ON-TREMONTON-FILM-UTAH-1952

This Project Blue Book file preserves Delbert C. Newhouse’s account and film submission from the 2 July 1952 Tremonton incident. Newhouse said the sky supplied no fixed reference for estimating distance, size, altitude, or speed. Navy analysts favored an unidentified light-source interpretation under disputed assumptions, while later reviews considered balloons, birds, insects, and mirage; one 1956 study remained inconclusive before an Air Force memo adopted a seabird explanation.

War.gov PURSUEunclassifiedOpen Original

Ross Coulthart

@rosscoulthart · Sep 3

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Excellent new interview from Ryan Graves' @SafeAerospace with Kevin Campbell, a former Defense Information Systems Agency (DISA) contractor and satcom network engineer. He worked Network Operations Center at Hill Air Force Base, Utah, for about one year (circa 2023–2024) witnessing several unidentified objects on MQ-9 feeds over the East China Sea. His role included supporting satellite communications for deployed units, monitoring network traffic, and watching live reconnaissance feeds (incl...