This is the VOA Special English Economics Report.

One of the largest air shows in the United States is also one of the largest trade shows in the aircraft industry. AirVenture is taking place this week at an airport in Oshkosh, Wisconsin.

Ron Wagner is from the Experimental Aircraft Association, which holds the event each year.

RON WAGNER: "Nearly every major manufacturer is represented and a lot of minor, smaller ones."

Visitors can find everything from old passenger planes to new unmanned aircraft, like the Predator drone.

But Ron Wagner says the spirit of the event is best represented by the pilots and engineers who build their own aircraft.