Hard of Hearing (1:21) The U.S. Navy, in 2008, asked the Supreme Court to toss out a ruling that restricts their use of sonar during training. As this video illustrates, the sonar noise can act as a severe detriment to whales. Source: CBS News
Follow-up: US Supreme Court invalidated two court-imposed restrictions aimed at protecting whales and other marine mammals from powerful Navy sonars during anti-submarine warfare training off the southern California coast.