Mark 56 Gun Fire Control System
Mark 56 Gun Fire Control System is a gun fire-control system made up of AN/SPG-35 radar tracker and the Mark 42 ballistic computer.
AN/SPG-35 aboard USS Hornet
AN/SPG-35 aboard USS Saint Paul
MRS-3 aboard HMS Zulu and a Daring-class destroyer
Mark 63 Gun Fire Control System
Mark 63 Gun Fire Control System is a gun fire-control system made up of AN/SPG-34 radar tracker and the Mark 29 gun sight. They were usually equipped for the control of twin QF 4-inch naval gun Mk XVI and Mk.33 twin 3"/50 cal guns.
AN/SPG-34 aboard HMCS Haida
Mk.63 aboard JDS Umitaka
Mark 63 aboard USS Asheville
AN/SPG-34 aboard Minas Gerais