A U.S. Army Reserve special agent practices clearing a corner during Guardian Shield, 1 Aug., 2016. Agents from Criminal Investigation Commands across the United States, belonging to the 200th Military Police Command, gathered in Charleston, S.C., July 24 to Aug. 5, for Guardian Shield, 2016. Guardian Shield is a two-week training that certifies agents in various courses such as crime and intelligence analysis, drug suppression and domestic violence intervention. (U.S. Army Reserve Photo by Sgt. Audrey Hayes)