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E-006319LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: monthRECORD COMPLETENESS: 100%
Edward Wilford Laredo Constant-Length-Contrail Object
about April 1953Laredo Air Force Base area, Texas, United States
Lt. Edward B. Wilford III, flying a T-33 maintenance test from Laredo AFB, reported a high-altitude brown cigar-shaped object that circled the area over about 25 minutes and left a contrail he described as maintaining constant length.
// LINKED CLASSIFICATIONS:Elongated / Cigar / Cylinder(C-000255)→Official Investigations & Programs(P-000105)→
// PROVENANCE COVERAGE
100% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
1 SOURCES · 0 PRIMARY
Date documented
about April 1953
Location documented
Laredo Air Force Base area, Texas, United States
Map coordinates available
Coordinate precision: region.
Catalogue classification linked
2 family link(s), 2 case-specific component(s).
Published citation-backed claims
2 encounter-target claim(s), 4 component claim(s).
Source coverage
1 unique source edition(s); 0 marked primary for at least one claim.
Assessment has encounter-level provenance
2 encounter-target published claim(s) can carry assessment provenance.
This dossier currently depends on a single source edition; independent coverage would strengthen comparison.
No cited source is currently marked as primary for the published claims shown here.
// ASSESSMENT METADATA
Stored case-assessment fields
Stored total witness estimate1
Stored verified-report count0
Instrumental evidence flagNO
Official investigation flagNO
// ENCOUNTER LOCATION · OPENSTREETMAP
COORDINATE PRECISION: REGION