US ARMY GARRISON GRAFENWOEHR, Germany – U.S. Army Lt. Col. Carleton Lee, U.S. European Command exercise director receives the report of nearly 40 nations participating in exercise Combined Endeavor 2013, Sept. 12, 2013. Despite the ‘rebalance’ and a strong US-Australia alliance, the QDR 2014 emphasises the primacy of Europe as the US’ principal partner in promoting global security.