Maury Island, near Tacoma (Washington) — June 21, 1947
Harold A. Dahl and others allegedly saw six tire-shaped ob- jects, 30 m in diameter, metallic with dark openings, over Puget Sound. One of the objects exploded, showering the witnesses with metal. Officially re- garded as hoax. (Ruppelt)
Source: Passport to Magonia
Case: 56