MECHANICSBURG, Pa. (WHTM) -- Mechanicsburg residents may hear the sound system from the Naval Support Academy activate several times on Thursday.

Naval Support Activity Mechanicsburg announced on Facebook that the installation's giant voice system will be activated several times on September 18 as part of a drill.

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They said the drill is in support of a regional assessment.

Members of the community may also hear police sirens and see an increase in activity around the base.

There is no threat to the community as this is a planned exercise.

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