THE UAP MAPCASE FILE← ALL CASES

TACAN site near McChord Air Force Base, Washington, United States

The McChord AFB Encounter Claim (1972)

A dramatic story claims that personnel at a TACAN site near McChord AFB encountered a landed saucer and humanoid beings on 14 October 1972, with shots fired and several servicemen allegedly rendered unconscious. The story became public around 2001 through former AFOSI-associated figure Robert Collin

Date1972-10-14
LocationTACAN site near McChord Air Force Base, Washington, United States
TierTier 3
Evidence Score1/10
Media Score3/10

Why This Case Matters

A good case for strict source discipline: its military setting sounds authoritative, but the actual public evidential chain begins decades later through a single promoter.

Chronology

  • 14 Oct 1972 alleged TACAN-site encounter
  • no public contemporary record located
  • ~2001 Robert Collins publishes/relays story and claims AFOSI-file origin
  • online UFO sites repeat narrative as a military incident
  • no authenticated file released

The Witnesses

Robert Collinslater source/promoter, not an event witness in the public account
alleged TACAN/security personnel remain unverified by authenticated primary records

Evidence

The following evidence types are documented for this case:

Evidencelate secondhand military-source claim
Evidenceno verified AFOSI document
Evidenceno physical evidence, event imagery or independently named witness statements

Conventional explanations: Fabrication, embellishment, fictionalised intelligence lore or conflation with ordinary base-security incidents are strong possibilities given the missing primary record.

What Remains Unresolved

Key Takeaways

Sources

Primary and secondary sources for this case file: