Political and Security Committee Decision ATALANTA/5/2011 of 16 December 2011 amending Political and Security Committee Decision ATALANTA/2/2009 on the acceptance of third States’ contributions to the European Union military operation to contribute to the deterrence, prevention and repression of acts of piracy and armed robbery off the Somali coast (Atalanta) and Political and Security Committee Decision ATALANTA/3/2009 on the setting up of the Committee of Contributors for the European Union military operation to contribute to the deterrence, prevention and repression of acts of piracy and armed robbery off the Somali coast (Atalanta)