general assessment: undergoing rapid modernization and expansion, especially with cellular telephones
domestic: additional digital exchanges are permitting a rapid increase in subscribers; the construction of a network of technologically advanced intercity trunk lines, using both fiber-optic cable and digital microwave radio relay is facilitating communication between urban centers; remote areas are reached by a domestic satellite system; the number of subscribers to mobile cellular telephone service is growing rapidly
international: international service is provided by three submarine fiber-optic cables in the Mediterranean and Black Seas, linking Turkey with Italy, Greece, Israel, Bulgaria, Romania, and Russia; also by 12 Intelsat earth stations, and by 328 mobile satellite terminals in the Inmarsat and Eutelsat systems (2002)
complex maritime, air, and territorial disputes with Greece in the Aegean Sea; Cyprus question remains with Greece; Syria and Iraq protest Turkish hydrological projects to control upper Euphrates waters; Turkey is quick to rebuff any perceived Syrian claim to Hatay province; border with Armenia remains closed over Nagorno-Karabakh
Illicit drugs:
key transit route for Southwest Asian heroin to Western Europe and - to a far lesser extent the US - via air, land, and sea routes; major Turkish, Iranian, and other international trafficking organizations operate out of Istanbul; laboratories to convert imported morphine base into heroin are in remote regions of Turkey as well as near Istanbul; government maintains strict controls over areas of legal opium poppy cultivation and output of poppy straw concentrate