<human>:  What was the first aircraft to be used in combat by the US Army Air Corps?
<bot>: The first aircraft to be used in combat was the Wright Flyer. The Wright Flyer was a two-seat, single-engine, propeller-driven airplane that was developed by the Wright Brothers. The Wright Flyer was used in the first official flight of the Wright brothers, which took place at Kitty Hawk, North Carolina, on December 17, 1903.