MBDA to supply Sea Ceptor weapon system for Canadian CSC frigates by Robin Hughes & Richard Scott MBDA announced on 19 April it has been awarded a contract from Lockheed Martin to equip the Royal Canadian Navy’s (RCN’s) new single class of 15 Canadian Surface Combatant (CSC) multimission frigates with the Sea Ceptor air-defence weapon system. The specific date of the award and the contract value were not disclosed. Lockheed Martin Canada is the team-lead and design authority for the development and integration of the combat management system (CMS) on the CSC vessels and, as such, awards contracts for associated sub-systems, including Sea Ceptor.