From Citizendium, the Citizens' Compendium
SSQ-110: Extended echo-ranging (EER) active sonobuoys developed by the U.S. Navy; carry small explosive charges used as additional sources of acoustic energy; devices intended for area search rather than localization
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- AN- : U.S. military nomenclature for electronic equipment, following the Joint Electronics Type Designation System This device is formally the AN/SSQ-110
- Sonar : A contraction of sound navigation and ranging, formally includes the active mode in which a pulse goes out and a receiver measures the echo. Also includes hydrophones or passive, listen-only systems.
- Geophysical MASINT : A branch of measurement and signature intelligence that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and magnetic field or ionosphere disturbances.
- Anti-submarine warfare : (ASW) In the context of naval warfare, the mission of attacking underwater vessels, from platforms under naval command and control.