Container Security Initiative Designed to help protect the United States and a large portion of the global trading system from terrorist who might use container transport to hide weapons of mass destruction and related materials without disrupting legitimate flow of cargo. There are 14 CSI ports that are operational: Vancouver, Göteborg, Halifax, Rotterdam, Le Havre, Bremerhaven, Hamburg, Antwerp, Singapore, Yokohama, Hong Kong, Felixstowe, Montreal and Halifax. Requires bilateral agreements to be created with other governments to target and pre-screen high-risk containers in overseas seaports before they are shipped to the United States. Customs inspectors (pre-screeners) will also be stationed in CSI ports, to work with their overseas counterparts.