US Navy aims to expand sonar use even as studies it helped fund show possible impact on whales

  • Article by: ALICIA CHANG , Associated Press
  • Updated: December 15, 2013 - 5:54 PM

SAN DIEGO — The U.S. Navy plans to increase sonar testing over the next five years, even as research it funded reveals worrying signs that the loud underwater noise could disturb whales and dolphins.

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