The Navy's USS Kearsarge strike group employed a powerful sonar during an exercise Jan. 14-15. Within a day, 37 whales, mostly pilot whales, began beaching themselves along the North Carolina coast. Two other types of whales also stranded themselves, pointing the finger at the use of sonar.
A similar beaching in 2000 was linked to the Navy's use of sonar near the Bahamas.
The Navy hopes to establish a 500-square mile underwater sonar range in the area.
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