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.
The US Attorney General is the highest ranking officer of the US Department of Justice, aside from the President of the US.
In the United States Army the highest ranking officer is a General. Bellow him is a Lietenant General. But the highest rankin officer is a four star general deemed chief of staff
The highest-ranking officer in the Canadian Forces is Walter Natyncyk, a General with the formal title of "Chief of Defence Staff" (CDS).
I think General Benedict Arnold for Treason.
He was the highest ranking officer captured..Yes
General "Ike". aka president Eisenhower. He was a 5 star general and also the president.
General Albert Sydney Johnston was the second highest ranking officer in the Confederacy (behind the elderly Samuel Cooper and ahead of Robert E. Lee). he was killed at the battle of Shiloh.
The General of The Army, but it is reserved for Wartimes. General is the normal highest.
Norton A. Schwartz is the Chief of Staff of the United States Air Force and is a Four-Star General.
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The President is the Commander in Chief. Highest Rank of the Military.