 As of 2015, all s in the United States Navy have been decommissioned, and their role partially being assumed by the new LCS.While the LCS class ships are smaller than the frigate class they will replace, they offer a similar degree of weaponry while requiring less than half the crew complement and offering a top speed of over .A major advantage for the LCS ships is that they are designed around specific mission modules allowing them to fulfill a variety of roles.