The European Union Advisory Mission for Civilian Security Sector Reform in Ukraine is a civilian Common Security & Defence Policy (CSDP) mission of the European Union. It aims to assist Ukrainian authorities to reform civilian security sector. It provides strategic advice and practical support to make Ukrainian civilian security sector more effective, efficient, transparent and enjoying public trust. EUAM Ukraine works with a number of law enforcement and rule of law institutions of Ukraine, and it formally began operation on 1 December 2014, following Ukrainian Government's request.