Ключевые слова: aeronautics, air, aircraft, airplane, america, american, astronaut, aviation, capital, chantilly, city, columbia, dc, discovery, display, district, education, enterprise, exploration, explore, flight, historic, historical, history, indoor, landmark, model, museum, national, orbit, plane, retro, rocket, satellite, science, shuttle, smithsonian, space, spacecraft, state, technology, tour, tourism, tourist, transportation, travel, united, usa, virginia, washington,