He is the author of the forthcoming book Grand Strategy in Theory and Practice (Cambridge University Press, 2014), conducts seminars at the U.S. Naval War College on ballistic missile defense, cyber, and space, and served as an advisor to the National Security Council on the review of U.S. National Space Policy (2008-2010). He also served as a Senior Foreign Policy adviser to Governor Mitt Romney during the 2012 Presidential Campaign. 每月熱門文章