== Designation/Ship-types/Function == 

 The introductory table of (5) various other RADAR systems does not belong in a SPY-3 article. 
 Perhaps a mere listing of radars (and a more complete one at that) might be on a separate navy shipboard RADAR systems article. 
 A SPY-3 is not a SPQ-9 nor a SPS-67 nor a SPN.  Don't forget SPS-48E/49A, SPS-55 or even SPS-73!  What's a TPX-42?