AN/SQS-26
              < AN 
 
            
          AN/SQS-26 was a United States Navy surface ship, bow mounted, low frequency, active/passive sonar developed by the Naval Underwater Sound Laboratory and built by General Electric and the EDO Corporation. At one point, it was installed on 87 US Navy warships from the 1960s to the 1990s and may still be in use on ships transferred to other navies.
In accordance with the Joint Electronics Type Designation System (JETDS), the "AN/SQS-26" designation represents the 26th design of an Army-Navy electronic device for surface ship sonar search system. The JETDS system also now is used to name all Department of Defense electronic systems.