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E-005109LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: monthRECORD COMPLETENESS: 100%

Vandenberg Minuteman-Silo Hover Report

February 1967, 99% certain according to Leroy Clark; exact silo designation not rememberedVandenberg AFB north missile-test area, California, California, United States

Leroy Clark told Hastings that coworkers returning from night survey work relayed a report of a bright, silent object approaching from the Pacific and hovering approximately 50–100 feet over a Minuteman silo. Clark did not see the object himself and could not determine whether the missile schedule or functionality was affected.

// LINKED CLASSIFICATIONS:Nuclear & Defense Incursions(P-000102)→
Claims are displayed with the source wording, locator, relationship and verification state. Competing claims remain separate rather than being averaged into a single answer.
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Encounter · Reported Encounter Observation

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CLAIM-510024unverified
“Leroy Clark told Hastings that coworkers reported an object approaching a Minuteman silo from the Pacific, stopping roughly 50–100 feet above it, and hovering briefly. The object was described second-hand to Clark as approximately the size of a two-engine aircraft, intensely bright and silent.”
UFOs and Nukes: Extraordinary Encounters at Nuclear Weapons Sites
SRC-002102 · Leroy Clark indirect February 1967 Vandenberg silo-hover report; uploaded PDF pages 253-255
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SOURCE COMPARISON

Encounter · Reported Missile-System Effect

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CLAIM-510025reported
“When Hastings asked whether the missile schedule or functionality had been compromised after the reported Vandenberg hover, Clark said he was not in the relevant operational loop and could provide no information that the missile had been affected.”
UFOs and Nukes: Extraordinary Encounters at Nuclear Weapons Sites
SRC-002102 · Clark’s explicit lack of knowledge about missile effects; uploaded PDF pages 255-255
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