The U.S. State Department has given the clearance to Turkey to buy 4 Phalanx Block 1B Baseline 2 Close-In Weapons Systems (CIWS) and upgrade 17 Block 0 systems to the Block 1B Baseline 2 configuration.

By Hpeterswald (Own work) [CC BY-SA 3.0], via Wikimedia Commons

Source: Alert 5