High Quality Content by WIKIPEDIA articles! The Exeter incident was a highly-publicized UFO sighting that occurred in September 1965, approximately 5 miles from Exeter, New Hampshire, in the neighboring community of Kensington. Although several separate sightings had been made by numerous witnesses in the weeks leading up to September 3, the specific incident, eventually to become by far the most famous, involved a local teenager and two police officers. The Exeter incident remains listed as unexplained by the United States Air Force.