Work affected due to hazardous weather? Call the DNG Inclement Weather Notification Line! Published Feb. 12, 2014 By Tech. Sgt. Benjamin Matwey 166th Airlift Wing Public Affairs NEW CASTLE AIR NATIONAL GAURD BASE, Delaware -- Get the official word on delayed openings or closings for Delaware National Guard facilities when weather conditions change for the worst. Delaware National Guard Inclement Weather Notification Line: New Castle County - (302) 326-7669 (SNOW) Kent County - (302) 741-7669 (SNOW) Sussex County - (302) 854-7669 (SNOW)