What were the US military ranks in 1945?

Answer: The U.S. military ranks in 1945 from lowest in command to highest in command are: Private Private 1st class Corporal Sergeant Staff Sergeant Sergeant 1st class Master Sergeant First Sergeant Sergeant Major Command Sergeant Major Sergeant Major of the Army 2nd Lieuteneant 1st Lieutenant Captain Major Lieutenant Colenol Colenol Briggader General Major General Liutenant General General (full General/ Four Star General) Generam of the Army Field Marshal(head of the army)