Note:
(a) Naval Terminology. Commander, Naval Surface Force, United States Pacific Fleet (COMNAVSURFPAC), undated http://www.public.navy.mil/surfo ... y.aspx#.Wz-nT3VRM5s
("radar (AN/SPY-1)[:] A key component of the AEGIS Combat Systems is an advanced, automatic detect and track, multifunctional phased-array radar. AN/SPY-1 (Army Navy Joint Electronics Type Designation System / S - Water (surface ship), P - Radar, Y - Surveillance (target detecting and tracking) and Control (fire and/or air control), model number)" )
(b) AN/SPY-1 https://en.wikipedia.org/wiki/AN/SPY-1
(manufactured by Lockheed Martin; a passive electronically scanned system; entered active service in 1983)