Egypt's Chief of Staff of the Armed Forces, Mahmoud Hegazy headed to Greece on Wednesday, to attend the main stage of joint for air-naval training "Medusa 2015," Al-Masry Al-Youm reported. Hegazy will meet with high-ranked officials of Greek Armed Forces to discuss the recent developments on regional and international levels, and boosting the joint cooperation between the two countries. The training coincides with the visit of President Abdel Fatah Al Sisi to Athens.