The Boeing B-17 joins the Douglas DC-3 in celebrating its 75th anniversary at AirVenture 2010. There are only about 15 Flying Fortresses still in airworthy condition, two of which are on static display at Oshkosh this year.

Boeing B-17 Flying Fortress
Boeing B-17 Flying Fortress
 © Billypix

Source: FlightGlobal.com