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