
KEY POINTS
- A UFO-tracking app called Enigma has logged more than 9,000 underwater sightings of USOs.
- The sightings include reports of strange lights and objects plunging into or emerging from the sea without a splash.
- Enigma's database shows a surge in reports since 2022, mapping dense clusters of activity along both the Atlantic and Pacific coastlines.
A surprising spike in underwater anomalies along U.S. coastlines has sparked alarm among defence officials after a popular tracking app, Enigma, recorded thousands of sightings of so-called Unidentified Submersible Objects, or USOs.