Keywords: WNUS 5-38 mk12 Blue pic.jpg en USS Blue DD-387 in April 1942 showing her bow Mark 30 mountings Note the Mark 33 Director on top of the superstructure 2014-11-16 http //www navweaps com/Weapons/WNUS_5-38_mk12_pics htm Detail from U S Naval Historical Center Photograph 19-N-29229 other versions PD-USGov Uploaded with UploadWizard Check categories 2015 July 5 Fire control systems |