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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?
Leaked Video Shows UFO Flying Around Navy Ship Near San Diego
Moment USS Omaha is SWARMED by 14 UFOs on radar in 2019
How the Pentagon learned to start worrying and investigate UFOs
Obama on UFOs: 'There's footage and records of objects in the skies that we don't know exactly what they are' – The Hill
Watch: Footage shows UFOs near US Navy ship, then disappearing into water - NZ Herald
Leaked US Navy video shows UFO flying in California — and suddenly diving underwater – The Hill
New videos raise questions about military UFO encounters
Spherical UFO plunges into the ocean in US Navy footage
Government report finds no evidence UFOs were alien spacecraft, but can't rule it out
Watch the Pentagon's three declassified UFO videos taken by U.S. Navy pilots
Sailors, What Is the Creepiest Thing You've Seen That Has Happened on the Sea Part 2, TRUE UFO, Bigfoot and Ghost Stories, Podcasts on Audible
No evidence of space aliens so far in the Pentagon's UFO deep-dive