Abstract: A method for identifying at least one nuclear threat to homeland security, wherein such each nuclear threat is either hidden inside at least one cargo container before transit, or is placed inside at least one cargo container while in transit. Each such nuclear threat while interacting with its surroundings generates a unique nuclear threat signature.
Abstract: A method for reporting at least one detected active threat to the homeland security (HS). Each threat is either hidden inside at least one cargo container before transit, or is placed inside at least one cargo container while in transit. Each threat while interacting with its surrounding generates a unique threat signature.