In most structured armies it is the rank of 'Field Marshal'.
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The President is the Commander in Chief. Highest Rank of the Military.
The president.
Not necessarily.
The highest ranking officer in the Army is the Army Chief of Staff. The current Army Chief of Staff is General Martin Dempsey.
Lightoller was the second officer on board the Titanic. He was the highest ranking officer to survive the disaster.
The US Attorney General is the highest ranking officer of the US Department of Justice, aside from the President of the US.
The Army Chief of Staff is the highest ranking officer in the peacetime Army. The highest raning NCO is the Sergeant Major of the Army.
Colonel Marian McGovern
petty officer first class
Ann Rondeau 3***Admiral
Vice Chief of Staff.