Critical Defense Materials: Government Collected Data Are Sufficiently Reliable to Assess Tantalum Availability
U.S. Government Accountability Office Washington United States
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The United States relies on foreign mine production of tantalum, a corrosion-resistant metal that is used in commercial and defense applications. Having reliable information on the global supply of tantalum is important for defense planning, particularly in determining if it is necessary to stockpile in case of future shortages. The House Armed Services Committee Report on a bill for the National Defense Authorization Act for Fiscal Year 2016 included a provision for GAO to examine the global tantalum supply chain, with a focus on why data reported by the government and by industry vary.