Dorchester (Massachusetts) — April 12, 1966 (1945)
During a power failure many residents, including Robert Moses and Robert McCambly, saw an oval object with a dome on top and lights (red to white to green) around the bottom, which appeared to land on the roof of the Oliver Wendell Holmes grammar school after a series of maneuvers. (FSR 66, 4)
Source: Passport to Magonia
Case: 757