What is the primary responsibility of the secretary of defense? science forums

The primary role of the Secretary of Defense is to act as a leader of the United States military. The Secretary of Defense also acts as a Chief Executive Officer of the Department of Defense. The role also acts as the leader of the Army, Marine, Navy, and Air Force. The Secretary of Defense as of today is James Mattis which sworn last January 20, 2017.

the supreme court plays a big role in government. the constitution gives them ability to check the president and the congresses actions and dictate if their actions are allowed by the constitution or not.

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