U.S. Army Soldiers from Company D, 3rd Battalion, 509th Parachute Infantry Regiment, 4th Brigade Combat Team, 25th Infantry Division, maintain 360-security during mounted patrols in Terezayi district, Khost province, Afghanistan, Dec. 2. The Soldiers, out of Fort Richardson, Ala., conduct daily security patrols to ensure security throughout the Terezayi district.