Status quo of U.S. naval mining capability is introduced from the two aspects of mine equipment and mining capability. Undergoing mine development and improvement projects in recent years are elaborated, including Quickstrike family,CDM,AUWS,hammerhead,and unmanned minelaying platform,etc.,based on which the future U.S. mining capability is summarized and features of mining capability construction are analyzed. Finally, suggestions are given on the development of future mining capability for us.