Keywords: Two Macks on Knox class frigates.jpg A view of two macks on Knox class frigates moored at a pier The smaller SPS-10 radar antenna sits above the SPS-40 antenna and forward of the macks are the Mark 68 fire control systems FCS A satellite receiving antenna is visible behind one of the macks <br>Location NAVAL AIR STATION NORFOLK VIRGINIA VA UNITED STATES OF AMERICA USA http //www dodmedia osd mil/Assets/Still/1984/Navy/DN-ST-84-01885 JPEG ID DN-ST-84-01885 / National Archive NN33300514 2005-06-30 Service Depicted Navy 1983-10-05 DON S MONTGOMERY PD-USN Image SPS-10 radar antenna on a Knox class frigate jpg is a cropped version focusing on the upper mack and SPS-10 radar antenna of the left frigate Knox class frigates AN/SPS-40 |