Marine transportation is vital for our economic and national security. U.S. public policy and private enterprises have long been shaped by a keen appreciation of the strategic importance of the oceans, lakes, and inland waterways. Our Nation's waterways, ports, and their intermodal connections are critical components of America's transportation system, as are the vessels moving people and cargo. Our marine infrastructure and commercial carriers support our domestic trade and markets; our global outreach into overseas markets; and our engagement in world affairs, including protection of U.S. national security interests.


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