Fusion also occurs between the right coronary and noncoronary leaflets (RN, 17%), and least commonly between the noncoronary and left coronary leaflets (2%).
Activities onboard include navigation and seamanship training, breakdown or man overboard exercises and visits from local dignitaries or senior RN officers.
This relationship was defined by a ground-breaking contractor logistic support contract which contracts the ships' availability to the RN, including technical and stores support.