In honor of Veterans Day, Guilford County will illuminate county buildings, including the Old Guilford County Courthouse, in a vibrant green light from Tuesday, Nov. 4, through Tuesday, Nov. 11, as part of Operation Green Light, a nationwide campaign supporting and showing appreciation for military veterans.The initiative, led by the National Association of Counties (NACo), raises awareness around the unique challenges faced by many veterans while highlighting the resources available to them at the local, state, and federal levels.