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The Coast Guard accepted the final tower in the Rescue 21 system Oct. 10, 2017 completing a more than 20-year design and installation process that improved search and rescue communications infrastructure throughout the U.S. and its territories.

The Coast Guard conditionally accepted and began operating the completed Rescue 21 system in the Western Rivers region in June 2017. The Western Rivers System provides coverage for parts of the Mississippi, Missouri and Ohio Rivers and their major tributaries.

The Coast Guard conditionally accepted and began operating the Rescue 21 system in the Upper Mississippi sector, which covers portions of the Mississippi, Illinois, Missouri and St. Croix rivers and extends across seven states, May 2, 2017.

Rescue 21 is operational along the entire Atlantic, Pacific and Gulf coasts of the continental United States as well as along the shores of the Great Lakes, Hawaii, Puerto Rico, the U.S. Virgin Islands, Guam, and the Northern Marianas Islands, covering approximately 41,871 miles of coastline. The system was accepted at Sector Buffalo Aug. 22, 2012.

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