The US Navy has picked up sonar data showing mysterious fast-moving objects underwater that cannot be explained by experts or current technology. Washington Examiner's Tom Rogan said that US Navy "has the data" to prove the bizarre encounters. Some of these encounters could be included in the US Government task force which is preparing to brief Congress on its UFO findings next month.

This comes amid a flurry of footage showing bizarre encounters between US pilots and navy officers and unexplainable objects.

Last week, a newly-emerged video showed a dark spherical object move across the sky near a US Navy stealth ship, before suddenly veering into the water and disappearing.

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