USS Nimitz UFO incident

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USS Nimitz UFO incident
Video released by the US military showing a Navy F/A-18 Super Hornet intercepting a UFO
DateNovember 10–16, 2004 (2004-11-10 – 2004-11-16)
Coordinates31°20′N 117°10′W / 31.333°N 117.167°W / 31.333; -117.167Coordinates: 31°20′N 117°10′W / 31.333°N 117.167°W / 31.333; -117.167

The USS Nimitz UFO incident refers to a 2004 radar-visual encounter of an unidentified flying object by US fighter pilots of the Nimitz Carrier Strike Group. In December 2017, infrared footage of the encounter was released to the public.[1][2] The encounter also included an engagement with the UFO by the Commander of the squadron, VFA-41.[3]

A 2015 account of the incident on, interviews with one of the pilots, and subsequent news reports describe the sighting of an "unidentified flying object" by six Navy Super Hornet fighter jets over the Pacific Ocean in November, 2004.[4]

According to The Washington Post, the video was released by former intelligence officer Luis Elizondo to shed light on a secretive Department of Defense operation to analyze reported UFO sightings, the Advanced Aerospace Threat Identification Program.[5][6][7]

Numerous FOIAs were submitted regarding this event. There was a FOIA obtained that indicated four Marine Lt Colonels and a Marine Major were aware of the event and had witnessed the IR video of the unknown object. A number of documents were leaked to the internet with varied levels of credibility. Acceleration values for the performance characteristics of the object were made using statements from the USS Princeton radar operators, the F/A-18 pilots that saw the object disappear within a second, and acceleration values based on the IR video. [8]

The Navy has now updated their protocols for pilots to report UFO sightings in an effort to reduce the stigma associated with such reports.[9]

Skeptics have called into question the veracity of the pilots' accounts, pointing out that the sighting could be explained by equipment malfunction or human error. On his part one of the witnesses, retired navy commander David Fravor, lamented the amount "of misinformation that [was] starting to come out through third and fourth parties" during a June 2018 interview.[10]


USS Nimitz ahead of the USS Princeton

Prior to the incident, early November 2004, the Ticonderoga-class guided missile cruiser USS Princeton, part of Carrier Strike Group 11, had been tracking mysterious aircraft intermittently for two weeks on an advanced AN/SPY-1B passive radar.[11][12] Navy Chief Petty Officer (NCO, E-7) Kevin Day, stationed on Princeton, recalls that he first noticed the clear radar traces of eight to ten objects around 10 November. They were travelling southwards in a loose though fixed formation at 28,000 feet (8,500 m) in the immediate vicinity of Catalina Island.[13] He was startled by their slow speed of 100 knots (190 km/h; 120 mph), but received confirmation of their presence from radar operators on other vessels. Regular observations were made of a similar number of objects over the following six days.[13] The objects were also faintly detected by an E-2C Hawkeye plane after Princeton sent them coordinates[14]

Visual sighting[edit]

Fighters were approx. 100 mi from coast of San Diego when they were directed to intercept the UFO
Fighters were approx. 100 mi from coast of San Diego when they were directed to intercept the UFO[12]
  100 miles from San Diego County coast
  100 miles from San Diego coast

When the same event occurred again around 9:30 PST on 14 November 2004, an operations officer aboard Princeton contacted two airborne U.S. Navy Boeing F/A-18E/F Super Hornets from USS Nimitz, flying a combat exercise at the time. The aircraft were two-seat variants, and each pilot was accompanied by a weapon systems officer (WSO). The lead Super Hornet was piloted by Commander David Fravor, commanding officer of Strike Fighter Squadron 41. The second fighter, flying as wingman, included Lieutenant Commander Jim Slaight as one of the two officers aboard. [11]

Princeton's radio operator, Kevin Day, directly instructed the pilots to change their course and investigate the unidentified radar spot observed by Princeton's own radar.[12] This was done to determine if the objects posed any collision danger to an upcoming air defense exercise.[13] A radio operator on Princeton however asked the pilots if they were carrying operational weapons, and the pilots replied that they were not.[12] The weather conditions for that day showed excellent visibility with a blue sky, no cloud cover, and a calm sea.

When the jet fighters arrived on site, the crew of four saw nothing in the air nor on their radar. On Princeton's radar however, it was noticed that the object now dropped from 28,000 ft to near sea level in less than a second.[13] As the pilots looked down at the sea, they noticed a turbulent oval area of churning water with foam and frothy waves "the size of a Boeing 737 airplane"[15] with a smoother area of lighter color at the center, as if the waves were breaking over something just under the surface.[15] A few seconds later, they noticed an unusual object hovering with erratic movements 50 feet (15 m) above the churning water. Both Fravor[16] and Slaight later described the object as a large bright white Tic Tac 30 to 46 feet (9.1 to 14.0 m) long, with no windshield nor porthole, no wing nor empennage, and no visible engine nor exhaust plume.[17][18][19][20]

Fravor began a circular descent to approach the object.[15] As Fravor further descended, he reported that the object began ascending along a curved path, maintaining some distance from the F-18, mirroring its trajectory in opposite circles.[15][18] Fravor then made a more aggressive maneuver, plunging his fighter to aim below the object, but at this point the UFO accelerated and went out of sight in less than two seconds, leaving the pilots "pretty weirded out".[15][20]

Subsequently, the two fighter jets began a new course to the combat air patrol (CAP) rendezvous point. "Within seconds" Princeton radioed the jets that the radar target had reappeared 60 miles (97 km) away at this predetermined rendezvous point. According to Popular Mechanics, a physical object would have had to move greater than 2,400 miles per hour (3,900 km/h) to cover the distance in the reported time. Two other jets went to investigate the new radar location, but "By the time the Super Hornets arrived [...] the object had already disappeared." Both F-18s then returned to Nimitz.[12] Commander Fravor reflected on his sighting: "I have no idea what I saw. It had no plumes, wings or rotors and outran our F-18s. But I want to fly one".[11]

Infrared footage[edit]

An unclassified and redacted summary of the event released by the US military
A Raytheon ATFLIR Targeting Pod

After the return of the first team to Nimitz, a second team took off at approximately 12:00 PST, this time equipped with an advanced infrared camera (FLIR pod). This camera recorded an evasive unidentified aerial system on video, publicly released by the Pentagon on 16 December 2017 alongside the revelation of the funding of the Advanced Aerospace Threat Identification Program.[21][22][23]

This footage is known as the 2004 USS Nimitz FLIR1 video. It officially shed some light on a decade-old story that was largely unknown, except for a 2015 second-hand story on that, in spite of providing many details, remained unconfirmed at that time.[4]

A second infrared footage, known as the GIMBAL video, has been released by the Pentagon alongside the 2004 FLIR1 footage. Although the media often present the two videos together to illustrate the 2004 USS Nimitz UFO incident, the GIMBAL video is unrelated, filmed at the East Coast of the United States at an unknown date.[15]

Skeptical views[edit]

Defense and security writer Kyle Mizokami suggested three possibilities that could explain the sightings. The first is equipment malfunction or misinterpretation; USS Princeton's radars and the Super Hornets' electro-optical sensors and radars could have all malfunctioned, or the crew could have misinterpreted a number of natural phenomena. The second is classified government technology: If the objects were aircraft operated by the United States government, it would make sense that they were kept secret, as the object easily outmaneuvered multiple Super Hornets, a jet that was considered state-of-the-art in 2004. The third possibility is that the sightings were caused by objects of extraterrestrial origin.[12][22]

The New York Times included a disclaimer in its reporting of the incident: "Experts caution that earthly explanations often exist for such incidents, and that not knowing the explanation does not mean that the event has interstellar origins".[11]

Physicist Don Lincoln suggested that it was "very unlikely that what these pilots are reporting turns out to be an unfriendly superweapon or an alien craft," however he would like to see the reports investigated "under the premise that the best science is done when as many opinions are considered as possible, preferably in the open and subject to peer review." According to Lincoln, "unidentified doesn't mean flying saucer or a Russian superweapon. It merely means unidentified." [24][25]

Science journalist Dennis Overbye argued a "stubborn residue" of unexplained aerial phenomenon remain after review. Overbye highlighted that some of these accounts are obtained from respected observers such as military pilots. However, he cautioned, "as modern psychology and neuroscience have established, the senses are an unreliable portal to reality, whatever that is."[26]

According to Steve Cummings of Raytheon Space and Airborne Systems, the video images captured by a Raytheon-made Advanced Targeting Forward Look Infrared sensor (ATFLIR) are not definitive proof that the jet pilots were chasing an actual UFO. Cummings noted, "To really be sure, we would need the raw data. Visual displays alone are not the best evidence".[27]

According to Joe Nickell writing for the Skeptical Inquirer, there are differing versions of Fravor’s account, including a “truly curious document that tells Fravor’s story in the form of a military-style briefing” designed to create a "pseudo top-secret appearance". Nickell identifies the document as "a third-person account of an interview with Fravor, produced by a fringe-ideas group called To the Stars Academy of Arts and Science". Regarding the visual sightings reported by Fravor, Nickell questioned how he could see "what a forty-foot object was doing from forty miles away" and characterized the "confusion and incompleteness in the reports" of the training mission as a "comedy of errors". Nickell and astronomer and former Air Force pilot James E. McGaha speculated that reports of churning water could have been caused by a submerging submarine, sightings could have been of a reconnaissance drone, and that "one video image showing an object suddenly zooming off screen was likely caused by the plane’s banking while the camera was stopped at the end of its sweep".[28] Joe Nickell further argues this was Fravor's first military assignment with the U.S. Navy’s F-18 Super Hornet, and as a result, the experience "obviously rattled him."[28] The Washington Post identified David Fravor as "the commanding officer of the VFA-41 Black Aces," at the time of the 2004 incident.[29] The Toledo Blade stated Fravor retired from military service in 2006, after a 24 year career, including 18 years as a Navy pilot and deployments in Iraq that began during Desert Storm. Fravor stated the identities of other Naval officers aboard the two fighter jets during his mission on November 14, 2004 had not been released publicly as they were still active in the military at the time of the Blade publication in 2018.[30]

Stephen Pope, editor of Flying magazine criticized the stories of the incident in The New York Times as "borderline-sensationalist" and says they provoked "a flurry of breathless reporting by media outlets around the world, most of which seem to have failed to notice that the Times’ original reporting has some major problems with it." Pope noted that the purported UFO videos were not released by the Pentagon, but by a former official who is now connected to "To the Stars Academy of the Arts and Sciences", a Las Vegas company that is seeking funding for UFO research.[31]

In popular culture[edit]


  • The History Channel featured the incident in the 2019 television show Unidentified: Inside America's UFO Investigation.[32]
  • The Nimitz Encounters - A Short Documentary Film released on 26 May 2019 produced by David C Beaty.[33]


  1. ^ Warrick, Joby (December 16, 2017). "Head of Pentagon's secret 'UFO' office sought to make evidence public". The Washington Post. ISSN 0190-8286. Retrieved December 21, 2017.
  2. ^ Mellon, Christopher (March 9, 2018). "The military keeps encountering UFOs. Why doesn't the Pentagon care? - We have no idea what's behind these weird incidents because we're not investigating". The Washington Post. Retrieved March 12, 2018.
  3. ^ Earthfiles (July 1, 2018), Linda Moulton Howe and David Fravor (FA18 Tic-Tac pilot), retrieved June 6, 2019
  4. ^ a b "That Time the U.S. Navy Had a Close Encounter With a UFO". Popular Mechanics. December 18, 2017. Retrieved December 21, 2017.
  5. ^ Cooper, Helene; Kean, Leslie; Blumenthal, Ralph (December 16, 2017). "2 Navy Airmen and an Object That 'Accelerated Like Nothing I've Ever Seen'". The New York Times. ISSN 0362-4331. Retrieved December 21, 2017.
  6. ^ Cooper, Helene; Blumenthal, Ralph; Kean, Leslie (December 16, 2017). "Glowing Auras and 'Black Money': The Pentagon's Mysterious U.F.O. Program". The New York Times. Retrieved December 17, 2017.
  7. ^ Bender, Bryan. "The Pentagon's Secret Search for UFOs". Politico. Retrieved December 17, 2017.
  8. ^ "A Forensic Analysis of CSG 11 Encounter with a AAV (1).pdf". Google Docs. Retrieved June 6, 2019.
  9. ^ Simkins, J. D. (May 1, 2019). "Aliens, ahoy! Navy developing guidelines on reporting UFO sightings". Navy Times. Retrieved June 6, 2019.
  10. ^ "Linda Moulton Howe and David Fravor (FA18 Tic-Tac pilot), at 11:00". YouTube. Phenomenon Radio, KGRA. June 28, 2018. Retrieved December 20, 2018.
  11. ^ a b c d Cooper, Helene; Kean, Leslie; Blumenthal, Ralph (December 16, 2017). "2 Navy Airmen and an Object That 'Accelerated Like Nothing I've Ever Seen'". The New York Times. Retrieved December 17, 2017.
  12. ^ a b c d e f Kyle Mizokami (December 18, 2017). "That Time the U.S. Navy Had a Close Encounter With a UFO". Popular Mechanics. Retrieved December 21, 2017.
  13. ^ a b c d Knapp, George (swe 2018-06-17). "Kevin Day joins George Knapp to discuss his experience at the USS PRINCETON's Combat Information Center". YouTube. Coast to Coast AM. Retrieved 21 December 2018. Check date values in: |date= (help)
  14. ^ [1]
  15. ^ a b c d e f Martin Finucane (January 16, 2018). "This former Navy pilot, who once chased a UFO, says we should take them seriously". Boston Globe. Retrieved February 7, 2018.
  16. ^ "CNN Interview with pilot David Fravor and Luis Elizondo (December 18, 2017)" on YouTube. At 1m30s in this CNN news segment, an audio recording (apparently of Fravor) says "It looks like a 40-foot-long Tic Tac, with no wings."
  17. ^ "ABC about the USS Nimitz UFO Incident (December 18, 2017)" on YouTube
  18. ^ a b "CNN Interview with pilot David Fravor and Luis Elizondo (December 18, 2017)" on YouTube
  19. ^ "New CNN Interview with pilot David Fravor (December 19, 2017)" on YouTube
  20. ^ a b "Fox News interview with David Fravor about 'out of this world' encounter (December 20, 2017)" on YouTube
  21. ^ Cooper, Helene; Blumenthal, Ralph; Kean, Leslie (December 16, 2017). "Glowing Auras and 'Black Money': The Pentagon's Mysterious U.F.O. Program". The New York Times. Retrieved December 17, 2017.
  22. ^ a b Joby Warrick (December 16, 2017). "Head of Pentagon's secret 'UFO' office sought to make evidence public". The Washington Post. ISSN 0190-8286. Retrieved December 21, 2017.
  23. ^ Bryan Bender. "The Pentagon's Secret Search for UFOs". Politico. Retrieved December 17, 2017.
  24. ^ Lincoln, Don. "Keep looking for UFOs". CNN. Retrieved December 22, 2017.
  25. ^ "The Modern Search for U.F.O.s". WNYC. Retrieved December 22, 2017.
  26. ^ Overbye, Dennis (December 29, 2017). "U.F.O.s: Is This All There Is?". The New York Times. Retrieved December 31, 2017.
  27. ^ "Navy pilots used Raytheon tech to track a strange UFO". Raytheon Company. Retrieved January 11, 2018.
  28. ^ a b Nickell, Joe. "Navy Pilot's 2004 UFO: A Comedy of Errors". Skeptical Inquirer, May/June 2018. CSI. Retrieved June 1, 2018.
  29. ^ Rosenberg, Eli (December 18, 2017). "Former Navy pilot describes UFO encounter studied by secret Pentagon program". The Washington Post. Retrieved June 16, 2018.
  30. ^ Henry, Tom (March 31, 2018). "Close encounters of the Toledo kind: Fravor pursued UFO in 2004". The Blade. Retrieved June 16, 2018.
  31. ^ Pope, Stephen. "Five Reasons to Be Skeptical about that New York Times UFO Story". Flying Magazine. Bonnier Corporation. Retrieved June 1, 2018.
  32. ^ "When Top Gun Pilots Tangled with a Baffling Tic-Tac-Shaped UFO". History Channel. Retrieved June 1, 2019.
  33. ^ "The Nimitz Encounters film about the USS Nimitz USS Princeton CSG-11 and VFA-41 intercepts of UFOs Nov 14th 2004". Retrieved June 19, 2019.

External links[edit]