In 1903 the Wright brothers made the first powered flight in history at Kitty Hawk, North Carolina. This site was chosen because of its (31) ______, which would lift the plane like a kite. The first attempt lasted only twelve seconds and covered a distance of less than a wingspan of the largest airplanes of (32) ______ aircraft. Soon the Wrights and other inventors and pilots were busy improving the airplane. They made much longer flights and even put it into some (33) ______ uses. In 1909 the ...

In 1903 the Wright brothers made the first powered flight in history at Kitty Hawk, North Carolina. This site was chosen because of its (31) ______, which would lift the plane like a kite. The first attempt lasted only twelve seconds and covered a distance of less than a wingspan of the largest airplanes of (32) ______ aircraft. Soon the Wrights and other inventors and pilots were busy improving the airplane. They made much longer flights and even put it into some (33) ______ uses. In 1909 the Wrights delivered the first military plane (34) ______ the United States Army. As early as 1914, a plane had begun to carry (35) ______ on daily flights, and in 1918 regular air-mail service was started between Washington and New York.