Old Guard (3rd U.S. Infantry Regiment) protecting its southern border. Recently the Old Guard has been firing cannons in the morning. But fear not: we are not under attack. The Old Guard is merely practicing with blank shells. Tomorrow will be the last day of Old Guard cannon exercises.
Less impressive blasting will soon commence at the Rosslyn Metro Station construction site. The Rosslyn Metro blasting will occur from 1am to 5am for the next few months. N. Moore St. will be closed during the blasting. The contractor anticipates minimal noise and vibration for persons living in the area.