The US intelligence agencies have always been actively involved in covert operations. Some of their spying activities have been as exciting as Hollywood movies, and a few have even been made into films. Whether it is br>procuring Nazi secrets during World War II, trying to assassinate Fidel Castro in the peak of cold War, attempting to overthrow the Iranian government in 1953 to protect the interests of American and British oil companies or capturing and killing of Osama bin Laden following 9/11, the part played by the CIA and other American spy agencies in all these operations have been more overt than covert. Apart from keeping America safe, these agencies play an important role in keeping peace between countries, making the unites states the big brother. Working together, American intelligence agencies are today helping the U.S. Battle terrorism and other threats in 130 countries on 6 different continents. Read all about these formidable American intelligence agencies, their spies and their espionage missions around the world.