Just when the nation’s airports thought their post-9/11 recovery challenges were behind them, upheaval in the nation’s airline industry has clouded the future of many facility and airside construction programs. Months of surging oil prices, volatile credit markets, and sagging U.S. economic fortunes culminated in a summertime string of drastic service cutbacks, steep fare hikes, and other measures aimed at staunching the flow of red ink from the airlines’ balance sheets. Clark County, Nev., Department of Aviation Scheduled for completion in 2012, the 1.87-million-sq-ft Terminal 3 will enable McCarran International Airport in Las Vegas to handle an additional five million