“This strategy establishes the overarching framework for the secure flow of cargo through the supply chain and builds on: existing national strategies; plans specific to individual segments of the supply chain or transportation system; and numerous programs and tactical plans developed and implemented by appropriate Department components and agencies. Specifically, it follows the flow of cargo throughout the chain, from point of origin to final destination. It provides the overall strategic structure in which United States cargo security programs and efforts operate and clarify how those programs harmonize with similar international programs.”