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1943 – First research flight takes place on March 17
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1957 – Lewis conducts first flights of a hydrogen-powered aircraft
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1966 - Atlas Centaur-8 becomes the first successful two-burn Centaur
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1970 – Launch of the second Space Electric Rocket Test
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1983 – Lewis makes first significant staffing increase in 20 years
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1996 – Deployment of Lewis-managed Mir Cooperative Solar Array on Mir
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2000 – Dedication of the Ballistics Lab in the Materials and Structures Building. Glenn-designed solar arrays delivered to the International Space Station
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2017 – Glenn celebrates its 75th anniversary
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2025 - The first human expedition to Mars
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2040 - Colonization on Mars starts