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Topic: Sonar

This page lists all NOAA.gov content that has been tagged "sonar."
A black and white image of a group of men on the deck of the USS Monitor.
Media advisory: NOAA, Northrop Grumman to release new high-definition sonar images of USS Monitor shipwreck
March 2, 2026
Focus areas:
Ocean & Coasts
Sanctuaries
Topics:
sonar
sanctuaries
shipwreck
A black and white image of a group of men on the deck of the USS Monitor.
DECEMBER, 2020: Volunteers, faculty and staff FROM the University of Delaware and Delaware Sea Grant work in Rehoboth Bay, Delaware, to clean up lost and abandoned crab pots that litter the bay floor. 
Video: Volunteers use sonar to find, remove cast-away crab pots
January 29, 2025
Focus areas:
Research
Topics:
marine debris
sonar
DECEMBER, 2020: Volunteers, faculty and staff FROM the University of Delaware and Delaware Sea Grant work in Rehoboth Bay, Delaware, to clean up lost and abandoned crab pots that litter the bay floor. 
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