S. H. Simon Oxford Solid State Basics Oxford 2013 (p. 114) [3] S. Hunklinger FestkÃ¶rperphysik De Gruyter 2014 (p. 55) [4] R. Gross, A. Marx FestkÃ¶rperphysik De Gruyter 2014 (ch. 1.1.1.2) [5] S. Hunklinger FestkÃ¶rperphysik De Gruyter 2014 (p. 56) [6]
The current secretary of defense is Robert Gates. The role of the Secretary of Defense is to be the principal defense policy advisor to the President and is responsible for thâ¦e formulation of general defense policy related to all matters of direct and primary concern to the Department of Defense, and for the execution of approved policy.
This organization is headed by the Secretary of State, who serves as a member of the President's executive Cabinet. This position is third in line of succession to the presidency, after the President and Vice President. The State Department is primarily responsible for our nation's foreign policy. The Secretary of State carries out the President's policies internationally, with the help of the many employees of this department, including the Foreign Service, Civil Service, and U.S. Agency for International Development.