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  First men to achieve powered, controlled sustained hevier than air flight.
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  Flight manned by Orville Wright occured december 17, 1903. the flight began at 10:35am and ended 12 seconds later. the flights total speed was 6.8 mp/h though due to the short fligt total distance achevied was 1.36 miles.
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  Robert H. Goddard preformed the first powderd rocket launch in the year 1915
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  The "father of modern rocketry" and developer of the first liquid fueled rocket.
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  in 1915 Robert H.Goddard developed and patented both liquid fueled rocket and multistage rocket.
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  in the years 1916-1917 Robert H. Goddard built ion thursters. these are used to increase propulsion.
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  in 1917 the smithsonian wrote Robert H. Goddard a grant for 5,000 dollars to continue his research in the feild of rocketry.
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  in the same year as the smithsonian wrote their grant clark university also wrote Robert H. Goddard a grant for 3500 dollars
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  in 1917 Robert H. Goddard wanted to improve american war efforts by letting his design be used by special forces. some uses are as follows:
mobile artillery
feild wepons
and naval torpedos