Description: [edan-image:id=siris_sic_14760,size=200,left] On July 1, 2016, the current National Air and Space Museum (NASM) building, covered with a Tenessee pink marble façade and recessed glass bays, celebrated its 40th anniversary. For this, NASM reopened its central exhibition, the Boeing Milestones of Flight Hall, and hosted various events including greetings from Mars and from
Description: Amy Ballard is a senior historic preservation specialist emerita with the Smithsonian’s Architectural History and Historic Preservation Office, where she worked between 1985 until her retirement in 2016. She was promoted to senior historic preservation specialist in 2010. Ballard has contributed to plans for new buildings, including the Smithsonian’s National Museum of the