(King George)-    NSWC Dahlgren will conduct range testing Tuesday – Thursday-January 29-31- from 8 a.m. – 5 p.m. Testing has potential to produce very loud noise in communities surrounding NSF Dahlgren. Access to the Potomac River Middle Danger Zone (MDZ) will be restricted during testing. To preview NSWC Dahlgren’s range schedule, call the NSWC Dahlgren Range and Weapons Testing toll free hotline: 877-845-5656 or visit the Potomac River Test Range website: http://www.navsea.navy.mil/…/NSWCD…/NSWCDDRangeSchedule.aspx.