Street Guard Soldiers from the Tennessee Army National Guard’s 278th Armored Cavalry Regiment stand ready to support Washington, D.C., police and first responders during protests, June 6, 2020. SHARE: Download: Full Size (0.28 MB) Tags: national guard Credit: Army Sgt. Arturo Guzman, Tennessee Army National Guard VIRIN: 200607-Z-PH391-155.JPG Photo Gallery