A view of the SPS-48B 3-D search radar antenna on the nuclear-powered aircraft carrier USS THEODORE ROOSEVELT (CVN-71). The SPN PL-173P carrier-controlled approach (CCA) radar is seen at the upper left while the SPS-65 antennas of the Mark 91 Fire Control System are at the bottom left. The small white bar antenna is the SPS-64(V)9 radar unit