Historical Markers; Radio Towers Learn About the History of the ‘Three Sisters’ Arlington Radio Towers Posted on August 26, 2016 at 11:11 am. In this week’s episode, Historical Markers takes viewers to Radio, Va. Located at the intersection of Columbia Pike and Courthouse Road, the towers were built to launch the Navy’s effort to establish a worldwide communications network.
Learn About the History of the ‘Three Sisters’ Arlington Radio Towers Posted on August 26, 2016 at 11:11 am. In this week’s episode, Historical Markers takes viewers to Radio, Va. Located at the intersection of Columbia Pike and Courthouse Road, the towers were built to launch the Navy’s effort to establish a worldwide communications network.