11.   Tension has been high between the two NATO allies since late January, when U.S. mediation prevented a clash over a barren islet in the eastern Aegean.

12.   The dispute over barren islets almost led to war between the two NATO members last year.

13.   The two countries nearly went to war in late January over claims on a barren islet in the eastern Aegean.

14.   The two NATO allies nearly went to war in late January over a barren islet in the eastern Aegean, pulling back their forces only after emergency U.S. intervention.

15.   The two nominal NATO allies nearly went to war over a barren islet in the eastern Aegean in late January and relations are still tense.

16.   The two neighbors came to the brink of war last year over a group of barren rocky islets in the Aegean, but backed off after U.S. intervention.

17.   They came to the brink of war in January over the ownership of a barren islet in the eastern Aegean.

18.   Greece and Turkey are at loggerheads over a barren Aegean sea islet that both claim and which brought the two countries to the brink of war in late January.

19.   Athens had blocked the aid package because of its sovereignty dispute with Ankara over a barren Aegean Sea islet last month which nearly led to a military clash.

20.   Athens had blocked the aid package because of its sovereignty dispute with Ankara over a barren Aegean Sea islet last month which nearly led to a military showdown.