War on the Rocks – As the United States seeks to rebuild its defense industrial base, Washington is scrambling to understand an industrial ecosystem that it no longer controls, nor largely understands. Maintaining weapons stockpiles and a resilient force, let alone operationalizing surge capacity, will require a better understanding of where critical materials originate and how they can be scaled. The main driver of supply chain tracking within the government is the Department of Defense, which is the agency with the largest acquisition budget and a mandate from Congress to delve into its supply chains.