The Barron Hilton Pioneers of Flight Gallery, located in the National Mall building, is an exhibition about the  growth and influence of aviation and rocketry during the 1920s and 1930s. The fully-renovated gallery will open to the public Nov. 19, 2010.

Aircraft in this image: the Douglas World Cruiser "Chicago," the Curtiss R3C-2 Racer,  the Fokker T-2, Amelia Earhart's Lockheed 5B Vega and the Lindberghs' Lockheed 8 Sirius "Tingmissartoq."