As commercial space operations and the number of licensed launch sites in the United States continue to expand rapidly, TRB and @ACRPImpact are researching the impacts of propulsion noise and sonic booms on surrounding communities. https://t.co/YXmnqz8BVH https://t.co/ppbYWqlk4z

- 6월 16, 2020

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As commercial space operations and the number of licensed launch sites in the United States continue to expand rapidly, TRB and @ACRPImpact are researching the impacts of propulsion noise and sonic booms on surrounding communities. https://t.co/YXmnqz8BVH pic.twitter.com/ppbYWqlk4z
— TRB (@NASEMTRB) June 12, 2020

As commercial space operations and the number of licensed launch sites in the United States continue to expand rapidly, TRB and @ACRPImpact are researching the impacts of propulsion noise and sonic booms on surrounding communities. https://t.co/YXmnqz8BVH https://t.co/ppbYWqlk4z http://twitter.com/NASEMTRB/status/1271413214287446017 https://t.co/YXmnqz8BVH June 12, 2020 at 09:05PM

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As commercial space operations and the number of licensed launch sites in the United States continue to expand rapidly, TRB and @ACRPImpact are researching the impacts of propulsion noise and sonic booms on surrounding communities. https://t.co/YXmnqz8BVH https://t.co/ppbYWqlk4z

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