Maritime Mobility
The Coast Guard maintains the DGPS radio navigation system, as well as buoys, daymarks, and other visual aids to navigation in U.S. waters and in selected foreign waters—a major activity of Coast Guard buoy tenders, and of special Auxiliary patrols. The Coast Guard has three large icebreakers, and many cutters can clear ice-clogged waterways for essential seagoing traffic. The Coast Guard operates many U.S. drawbridges, including the Woodrow Wilson Bridge in Washington, D.C..
Read more about this topic: Missions Of The United States Coast Guard
Famous quotes containing the word mobility:
“One set of messages of the society we live in is: Consume. Grow. Do what you want. Amuse yourselves. The very working of this economic system, which has bestowed these unprecedented liberties, most cherished in the form of physical mobility and material prosperity, depends on encouraging people to defy limits.”
—Susan Sontag (b. 1933)