May 4, 1955 — Keflavík Airfield, Iceland
Afternoon. Lt. Col. Edward J. Stealy, commander of the 57th Fighter Interceptor Squadron at Keflavík Airfield, Iceland, and 1stLt. Joseph Burt see 10–15 flying objects, 60–70 feet in diameter, at about 25,000 feet. They fly in loose formation for about 4–5 seconds and are traveling at a tremendous rate of speed (perhaps 1,150 mph). [Eberhart]
AF-112 / Air Intelligence Report:
Sources:
Thomas M. Olsen, The Reference for Outstanding UFO Reports, UFO Information Retrieval Center, November 1966, sec. 3, p. 40;
Loren E. Gross, The Fifth Horseman of the Apocalypse: UFOs, a History: 1955 January–June, The Author, 1992, pp. 57–58;
Brad Sparks, Blue Book Unknowns Catalogue, Case 1124, p. 232;
Jerome Clark, The UFO Encyclopedia, 3rd Ed., p. 376;
Jerome Clark, The UFO Encyclopedia, 4th Ed., p. 420;
NICAP, “Air Force Officers Observe 10 Maneuvering Objects”;