The Turkish prime minister arrives in Athens on Friday for two days of talks aimed at improving relations with its long-time adversary.
While the talk is of increased harmony, the countries engage in often hostile encounters on the Aegean Sea, which separates the two.
Recently, Greece has become more concerned that Turkey will take advantage of its neighbour's financial crisis to make territorial gains.
[Malcolm Brabant reports from Athens.]
Video of Turkish planes breaching Greek Airspace. Says they met less resistance than is usual.
Senior Greek officers concerned that the financial crisis will force the Socialist Greek Govt to make territorial concessions.
http://news.bbc.co.uk/2/hi/europe/8681835.stm