Close up view of variable depth sonar, USS John W Thomason (DD-760)

Close up view of variable depth sonar, USS John W Thomason (DD-760)
Here we see the variable depth sonar installed on the Allen M Sumner class destroyer USS John W Thomason (DD-760) when she was used to test out the FRAM upgrades for the Allen M Sumner class ships.
How to cite this article: Rickard, J (11 February 2022), Close up view of variable depth sonar, USS John W Thomason (DD-760) , http://www.historyofwar.org/Pictures/pictures_USS_John_W_Thomason_DD760_variable_depth_sonar.html

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