Chris Barr, left, sends a message to middle school students Wednesday while teaching them how to decipher Civil War-era signal flag movements during the "Call to Arms Summer Camp" at the Chickamauga and Chattanooga National Military Park. Chris Barr, left, sends a message to middle school students Wednesday while teaching them how to decipher Civil War-era signal flag movements during the "Call to Arms Summer Camp" at the Chickamauga and Chattanooga National Military Park.
By Dan Henry 1 min read
Neal Brite, 12, attempts to decipher signal flag movements.