主要职责是：Maritime Safety;Maritime Security;Maritime Mobility;National Defense;Protection of Natural Resources
The United States Coast Guard is a military, multimission, maritime service within the Department of Homeland Security and one of the nation's five armed services. Its core roles are to protect the public, the environment, and
The Coast Guard provides unique benefits to the nation because of its distinctive blend of military, humanitarian, and civilian law-enforcement capabilities. To serve the public, the Coast Guard has five fundamental roles:
Maritime Safety: Eliminate deaths, injuries, and property damage associated with maritime transportation, fishing, and recreational boating. The Coast Guard's motto is Semper Paratus—(Always Ready), and the service is always ready to respond to calls for help at sea.
Maritime Security: Protect
Maritime Mobility: Facilitate maritime commerce and eliminate interruptions and impediments to the efficient and economical movement of goods and people, while maximizing recreational access to and enjoyment of the water.
National Defense: Defend the nation as one of the five
Protection of Natural Resources: Eliminate environmental damage and the degradation of natural resources associated with maritime transportation, fishing, and recreational boating.