This “nerve center” is in Adana, a city in southern Turkey about 60 miles (100 km) from the Syrian border, which is also home to Incirlik, a U.S. air base where U.S. military and intelligence agencies maintain a substantial presence.'''<br> | This “nerve center” is in Adana, a city in southern Turkey about 60 miles (100 km) from the Syrian border, which is also home to Incirlik, a U.S. air base where U.S. military and intelligence agencies maintain a substantial presence.'''<br> |