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2004 Nimitz Encounter: 10-20 UAPs spotted, 6.8 miles/sec, 5000 Gs, no sound, no sonic boom
By Donna
April 30, 2022 10:03 am
Category: Science & Nature

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Got this from retired USAF fighter pilot Chris Lehto's excellent YouTube channel.

Humans can withstand 9 Gs. Aircraft can withstand 15 Gs. These UAP, if operating within known laws of physics, exerted 5,000 Gs.

A peer-reviewed paper was published on this encounter:

Estimating Flight Characteristics of Anomalous Unidentified Aerial Vehicles

2.4. Nimitz Encounters (2004)


On 14 November 2004, the U.S. Navyís Carrier Strike Group Eleven (CSG 11), which includes the USS Nimitz nuclear aircraft carrier and the Ticonderoga-class guided missile cruiser USS Princeton, was conducting training exercises off the coast of Southern California when the Princetonís radar systems detected as many as 20 anomalous aerial vehicles, which could not be identified. The UAVs were entering the training area and were deemed a safety hazard to the upcoming exercise. The Captain of the USS Princeton ordered an interception with two F/A-18F Super Hornet fighter jets. The available data consists of eyewitness information from both the pilots and the radar operators, Freedom of Information Act (FOIA) releases of four Navy documents, and a Defense Intelligence Agency (DIA) released infrared (IR) video of a similar encounter later that day taken by an F/A-18F jet using an AN/ASQ-228 Advanced Targeting Forward Looking Infrared (ATFLIR) system [22]. We estimated the accelerations of the UAVs relying on (1) radar information from USS Nimitz former Senior Chief Operations Specialist Kevin Day, (2) eyewitness information from CDR David Fravor, commanding officer of Strike Fighter Squadron 41 and a second jetís weapons system operator, LCDR Jim Slaight, and (3) analyses of a segment of the DIA-released Advanced Targeting Forward Looking Infrared (ATFLIR) video from an encounter later that day. The following descriptions of the Nimitz encounters were summarized from the more detailed study published by the Scientific Coalition for UAP Studies (SCU) [22].

2.4.1. Senior Chief Operations Specialist Kevin Day (RADAR)

An important role of the USS Princeton is to act as air defense protection for the strike group. The Princeton was equipped with the SPY-1 radar system which provided situational awareness of the surrounding airspace. The main incident occurred on 14 November 2004, but several days earlier, radar operators on the USS Princeton were detecting UAPs appearing on radar at about 80,000+ feet altitude to the north of CSG11 in the vicinity of Santa Catalina and San Clemente Islands. Senior Chief Kevin Day informed us that the Ballistic Missile Defense (BMD) radar systems had detected the UAPs in low Earth orbit before they dropped down to 80,000 feet [23]. The objects would arrive in groups of 10 to 20 and subsequently drop down to 28,000 feet with a several hundred foot variation, and track south at a speed of about 100 knots [23]. Periodically, the UAPs would drop from 28,000 feet to sea level (estimated to be 50 feet), or under the surface, in 0.78 s. Without detailed radar data, it is not possible to know the acceleration of the UAPs as a function of time as they descended to the sea surface. However, one can estimate a lower bound on the acceleration, by assuming that the UAPs accelerated at a constant rate halfway and then decelerated at the same rate for the remaining distance as in (2) and (3).

[followed by lots of math]


Cited and related links:

  1. youtube.com
  2. ncbi.nlm.nih.gov

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