Fargo, North Dakota, USA
The largest city in North Dakota, home to Hector International Airport (formerly Hector Airport), and the site of the 1948 Gorman Dogfight — one of three classic UFO incidents that year cited by Project Sign investigators as proof that UFOs were real. The encounter involved a North Dakota National Guard pilot who engaged in a sustained aerial pursuit of an anomalous light over the city.
The Gorman Dogfight (October 1, 1948)
On the evening of October 1, 1948, Second Lieutenant George F. Gorman of the North Dakota Air National Guard was flying a P-51 Mustang on a cross-country training flight over Fargo. After observing a small Piper Cub 500 feet below him, Gorman noticed an additional object to the west — a small blinking light that left no wing silhouette. He contacted air traffic control at Hector Airport at 9:07 p.m. and was informed there was no other traffic in the area.
Gorman accelerated to 350–400 mph to pursue the object, which repeatedly outmaneuvered him. At a near-collision pass, Gorman observed the object clearly: a simple ball of light approximately 6–8 inches in diameter whose blinking ceased and luminosity intensified as it accelerated. During subsequent pursuit attempts at altitudes up to 14,000 feet, Gorman's Mustang stalled while the object continued climbing. He abandoned pursuit at 9:27 p.m. Air traffic controller L.D. Jensen independently observed the object through binoculars from Hector Airport.
Gorman swore a legal affidavit on October 23, 1948, stating: "I am convinced that there was definitely thought behind its maneuvers." Project Sign subsequently checked Gorman's P-51 for radiation, finding it measurably more radioactive than other fighters — initially attributed to proximity to an "atomic powered object."
Project Sign Investigation
The Gorman Dogfight was designated by Captain Edward J. Ruppelt, director of Projects Sign, Grudge, and Blue Book, as one of three 1948 incidents that "proved to Air Force intelligence specialists that UFOs were real." The official Air Force explanation — that Gorman had chased a lit weather balloon or the planet Jupiter — was widely rejected by investigators who found the maneuverability described incompatible with a prosaic object.