A command hierarchy is a group of people who carry out orders based on
authority within the ... In a military context, the
The Honorable Barack H. Obama II. President of the United States. The Honorable Ashton B. Carter. Secretary of Defense. secarm. The Honorable Patrick J.
Commander-in-Chief. President Barack H. Obama. Secretary of Defense. Ashton
B. Carter. Secretary of the
The rank of U.S.
Each rank is listed from lowest-to-highest in their respective
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