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Testimony before the Committee on Science, U.S. House of Representatives
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Staff Memorandum
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Testimony before the Committee on the Budget, U.S. House of Representatives
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Testimony before the Subcommittee on Military Research and Development and the Subcommittee on Military Procurement, Committee on National Security, U.S. House of Representatives
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Testimony before the Subcommittee on Capital Markets, Securities and Government Sponsored Enterprises, Committee on Banking and Financial Services, U.S. House of Representatives
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Testimony before the Subcommittee on Surface Transportation, Committee on Transportation and Infrastructure, U.S. House of Representatives
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