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ENC-2892LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: approximateRECORD COMPLETENESS: 71%
Ellsworth AFB encounter
August 12, 1953
A radar station reported an extremely bright light moving slowly toward Rapid City, South Dakota.
// LINKED CLASSIFICATIONS:Nuclear & Defense Incursions(P-000102)→
// PROVENANCE COVERAGE
71% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
1 SOURCES · 1 PRIMARY
Date documented
August 12, 1953
Location documented
No location record is linked.
Map coordinates available
No latitude/longitude is available for mapping.
Catalogue classification linked
1 family link(s), 1 case-specific component(s).
Published citation-backed claims
0 encounter-target claim(s), 2 component claim(s).
Source coverage
1 unique source edition(s); 1 marked primary for at least one claim.
Assessment has encounter-level provenance
No substantive assessment fields require provenance.
This dossier currently depends on a single source edition; independent coverage would strengthen comparison.