Uploaded February 2026 | Updated September 2026, 3 weeks ago

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[] Terminology []
U . F . O UNIDENTIFIED FLYING OBJECT
U . S . O UNIDENTIFIED SUBMERGED OBJECT
U . A . P UNIDENTIFIED AERIAL PHENOMENON
U . A . V UNMANNED AERIAL VEHICLE
U . A . S UNMANNED AERIAL SYSTEM
U . A . O UNIDENTIFIED AERIAL OBJECT