8/12/2019 Statement to the Committee on Science, Space and Technology of the US House of Representatives

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8/12/2019 Statement to the Committee on Science, Space and Technology of the US House of Representatives

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8/12/2019 Statement to the Committee on Science, Space and Technology of the US House of Representatives

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8/12/2019 Statement to the Committee on Science, Space and Technology of the US House of Representatives

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8/12/2019 Statement to the Committee on Science, Space and Technology of the US House of Representatives

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8/12/2019 Statement to the Committee on Science, Space and Technology of the US House of Representatives

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