Latest military planes were on show at Dubai Airshow . But it 's not just a battle between big manufacturers from the U.S. and Europe . The UAE is the world's biggest exporter of arms and has been a major backer of rebel groups fighting to topple President Bashar al-Assad in Syria. Certain trade restrictions and increased competition make deals more difficult .
Latest military planes were on show at Dubai Airshow . The UAE is the world's biggest exporter of arms and has been a major backer of rebel groups fighting to topple President Bashar al-Assad in Syria. Certain trade restrictions and increased competition make deals more difficult .