Imaging system comprised of a digital camera and computer software for operating the camera for use in tracking and monitoring containers, cargo, vehicles, and goods; on-door imaging system comprised of a digital camera that attaches to the door of a vehicle and computer software for operating the camera for use in tracking and monitoring containers, cargo, vehicles, and goods; electronic imaging apparatus and x-ray imaging apparatus for scanning, screening, and inspection of containers, cargo, vehicles, and goods, not for medical purposes; computer software for scanning, screening, and inspection of containers, cargo, vehicles, and goods; computer operating system for use with electronic imaging equipment and computer software for processing, analyzing, and monitoring images for use with electronic imaging equipment; computer firmware for creating and maintaining wireless communications between devices; electrical components for creating and maintaining wireless communications between devices, namely, electronic wireless receivers and transmitters; GPS signal repeaters; computer firmware for positioning of goods and assets in GPS systems; electrical components for use in GPS positioning of goods and assets, namely, electronic wireless receivers and transmitters, GPS receivers and transmitters, and GPS signal repeaters; computer firmware for use in image analysis, namely, monitoring, analyzing, and processing images; data processors for use in image analysis; computer firmware to enable two-way communications with authorized hand-held and mounted devices