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                                                                                NATO Review offers expert opinion, analysis and debate on security issues. What is published in this magazine does not necessarily represent the official position or policy
                                                                                    of member governments, or of NATO
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                                                                                                        Dr Arnold C. Dupuy, Dr Dan Nussbaum, Vytautas Butrimas, Alkman Granitsas 
                                                                                                    
	Energy security has been a key strategic factor in military thinking since the start of the 20th century. Recent events show that it has become a major and growing challenge for the Alliance in an era increasingly dominated by hybrid warfare. |  |  |  |  |  |  |