July 11, 1947 — Elmendorf AFB, Anchorage, Alaska
11:00 a.m. USAAF Col. Bruce H. Perry and Maj. William E. Geyser, 59th AACS Group, see a round 2–3 foot or 10-foot aluminum or silver metallic sphere traveling at great speed to the south of Elmendorf AFB [now Joint Base Elmendorf-Richardson], Anchorage, Alaska. Estimated altitude is 3,000–4,000 feet. [Eberhart]
Record Card:
SIGN Incident 41:
FBI Memo:
Sources:
Brad Sparks, Blue Book Unknowns Catalogue, Case 40, p. 24;
NICAP, “Round 3ʹ Aluminum Object at Great Speed”;