Do all armies have the same rank structure?

Private (does all the menial work)

xx Lieutenant (platoon leader or company vice leader)

XX Lieutenant Colonel (battalion leader or regiment vice leader)

((>>> Company Sergeant (company quartermaster)

> Lance Corporal (squad vice leader)

x Junior Lieutenant (platoon leader)

### General (corps leader)

####### Generalissimus (overall supreme commander)

Basically yes.

XXX Colonel (regiment leader

###### Field Marshal (commander of the military branch)

## General Lieutenant (division leader)

X Major (battalion leader)

# General Major (brigade leader)

(>>> Staff Sergeant (platoon leader or company quartermaster)

>> Corporal (squad leader)

xxx Captain (company leader)

>>> Sergeant (platoon vice leader)

##### Army General (theatre leader)

#### Colonel General (army group leader)