Jan Ludvík is a research fellow at the Centre for Security Policy, Charles University in Prague. He can be reached at ludvik@fsv.cuni.cz The writing of this text has been supported by grant from the Programme of Security Research in the Czech Republic 2010-2015, administered by the Czech Ministry of the Interior “Adaptation of the Security System of the Czech Republic to the Changing Economic, Social, Demographic and Geopolitical Realities” (VG20132015112). The author thanks his colleagues from the Centre for Security Policy for insightful comments. Special gratitude is due to Mr Luděk Moravec, whose critical insights have once again proved invaluable.