Ключевые слова: aerospace, air, aircraft, america, and, apollo 11, apollo mission, architecture, aviation, bell x1, building, capital, capsule, city, collection, dc, district of columbia, exhibit, historic, historical, indoor, interior, landmark, museum, national, national air and space museum, north america, people, smithsonian, space, tourism, tourist, tourists, travel, united states, us, usa, visit, visitor, washington, washington dc,