The Sea Ceptor missile is currently being integrated onto the Type 23 frigate fleet, as a replacement to Seawolf.
The Principle Anti-Air Missile System on the Type 45 destroyers, of which Sea Viper is a principal component, comprises the SAMPSON radar, a Combat Management System, S1850M long-range radar, the Sylver vertical launching system and Aster 15 (20 miles) and Aster 30 (75 miles) missiles [REF].