 The Tartar missiles were controlled by the Mk 74 missile fire-control system with four AN/SPG-51 fire-control radars.Some space was allocated amidships on these cruisers for the possible installation of eight Polaris missiles, but the concept to add these ballistic missiles were dropped in mid-1959.For anti-submarine warfare (ASW), one eight-cell Mk 112 "matchbox" ASROC missile launcher was installed amidships on each of these cruisers, located between their two stacks.