 Complete the following phrase:  During this time, he also passed the Senior Course in National Security at the Swedish National Defence College from 2004 to 2006. From 2009 to 2010, Engelbrektson did the Strategic Leadership and International Relations Course at the Royal College of Defence Studies in United Kingdom and from January 2010 until August 2010 he served as Military Advisor, European Union and NATO Policy at the Ministry of Defence in Stockholm. From September 2010 he served as military representative to the European Union and NATO in the Permanent Representation of Sweden to the European Union. From 2013 to 2014, Engelbrektson was chairman of the NATO Connecting Forces Initiative, Task Force; negotiating new partnerships on behalf of seven nations in view of the 