Press Release: Smithsonian's National Air and Space Museum Director Announces Retirement, 2017. https://airandspace.si.edu/newsroom/press-releases/smithsonian%E2%80%99s-national-air-and-space-museum-director-announces-retirement.
Gen. J.R. "Jack" Dailey, the John and Adrienne Mars Director of the Smithsonian's National Air and Space Museum, retires in January 2018. With 18 years as head of the museum, he is its longest-serving director. Dailey, a retired U.S. Marine Corps four-star general and pilot, assumed the duties of director in January 2000. Under his leadership, the museum opened its second location, the Steven F. Udvar-Hazy Center, and welcomed Space Shuttle Discovery, the longest-serving orbiter, into the collection. Dailey has also led expansion of the museum's public programs and its web and distance-learning activities.
Deputy Director Chris Browne serves as Interim Director from January through April 2018. On April 30, 2018, Ellen Stofan is appointed Director of the National Air and Space Museum.