New U.S. Embassy in Baghdad opens days after `` Green Zone '' control given to American . New embassy covers one mile and is the largest in the world . As Baghdad military presence ramps down , other aspects will ramp up , envoy says . Price tag for 27-building complex is $ 592 million .
New U.S. Embassy in Baghdad opens days after `` Green Zone '' control given to Iraqis . New embassy covers 104 acres and is the largest in the world . As U.S. military presence ramps down , other aspects will ramp up , envoy says . Price tag for 27-building complex is at least $ 592 million .