ev-intel-d17d75c8d48e

ATSS-UFOB-? (UFOB 1676/1707, 755th ACWRON Williams Bay) — 1956-05-21 — Sheaton, Illinois (per AISS log)

1956-05-21· Sheaton, Illinois (per AISS log)Resolved prosaic
Strangeness (S)
0.0
Credibility (P)
1.0
Evidence (EVID)
1.0
Date conf
9.0
Loc conf
0.0

Narrative

On 21 May 1956 at 0325Z, a railroad fireman near Sheaton, Illinois reported a single round dime-sized white-to-pink bright object drifting northwest at low altitude. Sighting via naked eye, ground visual, lasted approximately 25 minutes. Reported via 755th ACWRON Williams Bay, WI. Headquarters response message requested clarification; the senior director noted the observer probably sighted some heavenly body that appeared to be moving. Headquarters concluded probably astronomical (Venus).

extracted via: llm_subagent_v1

Witnesses (1)

  • [anonymous] civilianrole_pattern

Source documents (1)

Click filename to view on Internet Archive (where these are mirrored as public-domain US-government records).

Score evidence (7)

Why this event scored the way it did. Every contribution is traceable.

s

  • venus (-1.5)
  • drift (-0.5)
  • outcome=resolved_prosaic (cap S<=3)
  • post-blend cap S<=3 (resolved_prosaic)

p

  • docs=1 (+0.5)
  • single agency (+0.5)

evid

  • narrative only (base 1)