Soldiers participate in the Fire Blade 2017 helicopter exercise at Ujdorogd base in Zalahalap, western Hungary on May 11, 2017. The 11th helicopter exercise conducted under the umbrella of the European Defence Agency Helicopter Exercise Programme, was held from May 1 to 12, 2017 with the participation of around 450 personnels and 14 helicopters from Austria, Belgium, Germany, Hungary and Slovenia. (Xinhua/Attila Volgyi)
