Based on the size and technology of the security screening system, air cargo screening systems has been offered
Air Cargo Security and Screening System Following the September 11, 2001 attack on the World Trade Center, the need for air cargo security and screening systems became even more apparent. Physical inspection and canine methods (detection through trained dogs) are common security and screening practices in this area, but they are not error-free. New technologies in this area reduce potential terrorist threats and ensure safety by tracking explosives inside air cargo. Through known shipper programs, the air cargo industry and international and national regulatory authorities have been making continuous efforts to increase the screening levels of air cargo with the least amount of shipping hindrance. These programs enable well-known shippers to screen their own cargo and ensure that it meets a common set of standards. The enhanced security programs have some limitations, such as the industry's large size and the high costs associated with the enhancements. However...