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It's 2 meters (6 feet) in diameter and reaches speeds of up to 254 kilometers per hour (158 miles per hour), but what is it?
Watch: NASA Shows Video of Unidentified Object in UFO Meeting
New video shows UFO off San Diego
Bright blue UFO seen crashing into ocean near Hawaii prompts calls to 911, FAA - ABC7 San Francisco
Leaked video appears to show UFO plunging under water off California - National
Wow, What Is That?' Navy Pilots Report Unexplained Flying Objects - The New York Times
Obama on UFOs: 'There's footage and records of objects in the skies that we don't know exactly what they are' – The Hill
U.S. acknowledges yet another video as Pentagon prepares first-of-its-kind report on UFOs
Video Shows UFO Flying Near U.S. Navy Ship, Disappearing Into Ocean
US military says UFO sightings could be aliens or new hypersonic technology from Russian or China
New video from USS Omaha shows unknown aerial sphere vanishing into ocean
IFLScience - The Pentagon has confirmed the footage is real
Newly leaked video shows a UFO disappear into the water
Moment USS Omaha is SWARMED by 14 UFOs on radar in 2019