• World War II and the Airlines
• Post-War Revival and Regulation
• The First "Fare Wars"
• A New Generation of Airliners
• Air Traffic Control Comes of Age
• The NACA Looks Beyond Propellers
• International Service
• Air Travel and Segregation
• At Your Service
• Douglas DC-7
• Regional Service
• The Era of Mass Air Travel Begins
• Fly Now! Airline Poster Advertising

8-Foot High Speed Tunnel

In 1950, John Stack and his associates at the NACA's Langley Memorial Aeronautical Laboratory built the first "slotted" wind tunnel

Image number EL-2000-00280
Credit: NASA

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