Sonar Sweeps in the Deep

[@mateuszjurus164]

i think it is HF sonar

[@snownd675]

eep

[@davidkamran9092]

cheer$

[@IvanBeatzBorn808]

Sonobuoy

[@W--ko9ms]

Doesn't sound American.

[@dennisrydell6883]

How so?

[@planetphatness]

Sounds fishy

[@michealnyers184]

​@@dennisrydell6883pitch is too loud, i think