Turkey is expanding its coastal defenses to counter conventional and nonconventional security threats, primarily in the Aegean and Mediterranean, including massive illegal emigration.

Tens of thousands of immigrants from Turkish soil end up at the shores of EU member Greeceā€™s eastern Aegean islands every year. But on Dec. 16, Turkey and the EU signed a treaty that will allow EU member states to return illegal immigrants to Turkey.

In return, Turkey hopes the EU will ease visa restrictions on Turkish nationals in the next three years. […]