Secret Service agents work during a tour of the MACC at an undisclosed location in the Chicago suburbs

 
Secret Service agents work during a tour of the MACC at an undisclosed location in the Chicago suburbs
Troy Land, Multi-Agency Communications Center (MACC) coordinator of the United States Secret Service (R) and another Secret Service agent work during a tour of the MACC at an undisclosed location in the Chicago suburbs May 17, 2012. The MACC serves as the central point of communications for agencies involved in the operational security efforts during the NATO Summit hosted by Chicago. The summit runs from May 20 to 21. REUTERS/Frank Polich (UNITED STATES - Tags: POLITICS)