An F-18 fighter jet performs during the Australian International Aerospace and Defence Exposition at the Avalon Airfield, southwest of Melbourne, Australia on March 3, 2017. (Xinhua/Qing Gui)
An F-18 fighter jet performs during the Australian International Aerospace and Defence Exposition at the Avalon Airfield, southwest of Melbourne, Australia on March 3, 2017. (Xinhua/Qing Gui)