Cargo (or freight) is a term used to denote goods or produce being transported generally for commercial gain, usually on a ship, plane, train, van or truck. In modern times, containers are used in most intermodal long-haul cargo transport. Cargo represents a concern to U.S. national security. It was reported out of Washington, DC that in 2003 over 6 million cargo containers are entering the United States each year. After the terrorist attacks of September 11th, the security of this magnitude of… (More on Cargo)