KAPOSVAR, Hungary (CNN) -- When the bulk of U.S.-led NATO forces finally moves into Bosnia, it will be from a military base being set up in Hungary.

CNN: U.S. transforming Hungarian air base

They can fly missions from Kaposvar, Hungary, to the United States base at Tuzla, Bosnia, and get a good look at the countryside along the route without climbing into a real cockpit.

CNN: Pilots study virtual terrain of Bosnia