F-35 & F/A-18 Get a Holiday Buzz | LM to Provide M-TAG/PNVS to India Under $215.7B FMS Contract | France to Order New C-130Js

Listening Sticks: US Navy Sonobuoy Contracts

P-8A: Sonobuoy drop(click to view full) Sonobuoys are used to detect and identify moving underwater objects by either listening for the sounds produced by propellers and machinery (passive detection), or by bouncing a sonar “ping” off the surface of a...