(Portsmouth, NH) - The Portsmouth Navy Yard is kicking-off a training exercise that will involve firing blank rounds of ammunition.

Jon Winslow

"Exercise Citadel Protect" will use Navy and Coast Guard patrol boats and blank ammunition rounds will be fired.  Most of the activity will take place just outside the mouth of the Piscataqua River, and the sounds may be heard by residents in Rye, Newcastle, Portsmouth.

The regularly scheduled exercise is designed to enhance the readiness and training of Navy harbor security forces