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