Can i point out a small problem here 90% plus of all sonar work is done passive. IE no emissions so i would love to see where the heck there getting there info from in all my years in Subs i only ever saw us go active once Reason*****classified*** and skimmers er cough surface ships prefer to list passive as well only real active stuff are dipping sona boays from those pesky bean cans with rotors

and as loud and annoying as they are i dont see em frying a whale