Where is a company based that is attempting to build a flyable reproduction of a German aircraft given the nicknames "Swallow" and "Storm Bird"?
Me 262 Project:  It is based at Paine Field in Everett, Washington, United States, near Seattle. Messerschmitt Me 262: The Messerschmitt Me 262, nicknamed Schwalbe (German: "Swallow") in fighter versions, or Sturmvogel (German: "Storm Bird") in fighter-bomber versions, was the world's first operational jet-powered fighter aircraft.
Washington