The US State Department has approved a possible $2.1 billion sale to Ukraine of 500 PAC-3 MSE missiles for Patriot systems, RFE/RL Washington correspondent Alex Raupoglou reports. The agreement will be fully financed by allies and partners of Ukraine - Canada, Germany and Norway. There are no plans to attract US funds. The package also provides for the supply of spare parts, logistical and technical support for the maintenance of existing Patriot systems in Ukraine.