No, officers and enlisted personnel do not always have different ranks. Although most branches of the U.S. military have different titles for officers and enlisted personnel, officers and enlisted personnel still share the same rank hierarchy within their own branch.
Each branch of the military has its own system for classifying its personnel and for assigning ranks. Generally, officers have higher ranks than enlisted personnel, but someone of the same rank with five years of experience could hold the same rank as someone just entering the service.
The categorization of officers and enlisted personnel is based on a person’s training and responsibilities. Officers are usually more highly trained than enlisted personnel and they have more responsibilities related to leading and managing groups of people.
Enlisted personnel, on the other hand, usually have less training than officers and their responsibilities are usually more limited in scope. The rank structure within the different branches of the military depends on the type of work the person is doing.
For example, a person may be an enlisted personnel in the Army but an officer in the Air Force.
In conclusion, officers and enlisted personnel don’t always have different ranks. The rank structure within each branch of the military is based on training and responsibilities, so someone with the same rank may have a different title depending on which branch of the military they are in.