A doctor examines a child after he disembarked from the German Navy ship Schleswig Holstein at the Reggio Calabria harbor, Italy, Tuesday, June 16, 2015. European Union nations failed to bridge differences Tuesday over an emergency plan to share the burden of the thousands of refugees crossing the Mediterranean, while on the French-Italian border, police in riot gear forcibly removed dozens of migrants. (AP Photo/Adriana Sapone)

An Airbus 380 prepares to land after its demonstration flight during the closing day of the Paris Air Show in Le Bourget, north of Paris, Sunday, June 21, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Michel Euler)