Dwight D. Eisenhower had been a five-star general, a rank that did not exist in the US Army until midway in WW2. No general has been elected since his time.
General "Ike". aka president Eisenhower. He was a 5 star general and also the president.
The US Attorney General is the highest ranking officer of the US Department of Justice, aside from the President of the US.
The highest ranking official in the legislature in the United States is the President. Just below the President is the Vice President.
The five highest US Army ranks are General Officers:General of the Army (5 stars),General (4 stars),Lieutenant General (3 stars),Major General (2 stars)Brigadier General (1 star)Colonel (eagle)
The General of The Army, but it is reserved for Wartimes. General is the normal highest.
The President pro tempore, who is the highest ranking senator. So the order is: President, Vice-President (Head of the Senate), Speaker of the House, President pro tempore (Highest ranking senator).
The President of course
Richard Bong (US Army Air Corp's HIGHEST RANKING Fighter Pilot Ace during WW2), President Franklin Delano Roosevelt, Admiral King, General Dwight Eisenhower, General Douglas MacArthur, General Stillwell, General Simon Buckner Jr. (Highest Ranking US Military Officer Killed by Enemy Fire during WW2).
The President is the Commander in Chief. Highest Rank of the Military.
Sec. of State
The president.
In politics in the United States, the highest ranking job title would be President of the United States. For most businesses the top title is President and Chief Executive Officer.