E-002215DATE PRECISION: rangeRECORD COMPLETENESS: 71%

Northern Tier Nuclear-Base Incursions

Name: Northern Tier Nuclear-Base Incursions
Start: October 27-November 10, 1975
Location: Malmstrom AFB missile field, United States

October 27-November 10, 1975Malmstrom AFB missile field, Montana, United States

Hastings compiles NORAD, military-message and witness material covering reports at Malmstrom, Loring, Wurtsmith and Minot.

// PROVENANCE COVERAGE

71% record completeness

This measures documentation coverage, not whether the encounter or its claims are true.

4 SOURCES · 2 PRIMARY

Date documented

October 27-November 10, 1975

Location documented

Malmstrom AFB missile field, Montana, United States

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), 10 component claim(s).

Source coverage

4 unique source edition(s); 2 marked primary for at least one claim.

Assessment has encounter-level provenance

Assessment fields exist, but no encounter-target published citation-backed claim currently supports them.

Assessment values are present without encounter-target published citation-backed claims. Treat the matrix as unprovenanced metadata until direct claims are added.

Witness totals are stored, but no encounter-level cited claim currently documents where those numbers came from.

// ASSESSMENT METADATA

Stored case-assessment fields

DIRECT PROVENANCE INCOMPLETE

Stored total witness estimate12

Stored verified-report count0

Instrumental evidence flagYES

Official investigation flagYES

These stored assessment values are shown transparently but should not be treated as source-backed facts until encounter-target claims cite their provenance.