Project Blue Book Case File
Cape Canaveral, Florida & Cuba, August 1961August 1961
Summary
# Cape Canaveral and Cuba UFO Sightings, August 1961
In the early morning hours of August 23, 1961, military personnel at Cape Canaveral, Florida and in the Leeward Point area of Cuba reported seeing unidentified objects shortly after an Atlas-Agena missile launch. The sightings occurred around 0515 (5:15 a.m.) and 1005 (10:05 a.m.) in the morning respectively.
One witness, a civilian engineer and qualified aviation observer, was driving near Cape Canaveral when he spotted a bright object coming from the northwest. The object appeared as bright as the sun shining through clouds and was accompanied by a heavy contrail. As the witness watched, the object seemed to veer toward the northeast. He observed large shock waves visible from the nose of the object, describing them as similar to shock waves from a bullet traveling in slow motion. The bright, luminous trail widened to approximately 30 degrees on both sides and remained visible for about five minutes. The object climbed steadily at a shallow angle and moved away without changing direction, remaining visible for roughly one minute more.
Marines stationed in Cuba reported a separate sighting estimated at about 3,980 feet altitude, with the object passing north of their base. All observers noted a visible trail, and the sightings lasted approximately five minutes. The timing and direction of the reports suggested a possible connection to the missile launch.
The Air Force investigation concluded that the marine witnesses likely observed the missile itself, with its apparent low altitude explained by the distance of approximately 550 nautical miles from their position and a possible confusion of brightness with nearness. However, the object observed by the civilian engineer and military officers remained unidentified. The investigation noted that the estimated speed of about 240 knots and altitude of 70,000 feet could theoretically fit Soviet reconnaissance aircraft capabilities, but ruled this out because the sun was too far below the horizon to illuminate an object at that altitude at the time of sighting. All radar units in the area reported no targets, and all known satellites were ruled out by computer check. The file concludes that the sighting was "probably due to some natural phenomena," but notes that "the available evidence is not sufficient to allow identification of the responsible phenomena."
The full case file is reproduced below as held by the National Archives, spanning 23 pages.
Reported location
Cape Canaveral, Florida & Cuba, August 1961
Date of incident
August 1961
State / country
? / XX
Page count
23 scanned pages
USAF evaluation
unknown
Microfilm
T1206, Roll 43