Complex sentence: Between August 2008 and July 2012 he was the First Deputy Chief of Staff and Chief of Staff/First Deputy Commander of the Ukrainian Navy, and also graduated from the National Defence University in 2010.
Split into simpler sentences: Between August 2008 and July 2012 he was the First Deputy Chief of Staff and Chief of Staff/First Deputy Commander of the Ukrainian Navy. He graduated from the National Defence University in 2010.