The Navy's active sonar training ranges are the issue. Some environmental groups have blamed the sonar for the beaching deaths of whales in recent years. The Navy conducts training runs in all its operational waters, which hug the East Coast, the Gulf Coast, Hawaii and the Pacific Northwest. Morehead City is the sixth of seven public hearings along the Atlantic and Gulf of Mexico. The meeting will be held from five to eight p.m. Tuesday at the National Guard Armory. That's located at 3609 Bridge Street.