Do all armies have the same rank structure?

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

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

>>> Sergeant (platoon vice leader)

# General Major (brigade leader)

## General Lieutenant (division leader)

> Lance Corporal (squad vice leader)

((>>> Company Sergeant (company quartermaster)

##### Army General (theatre leader)

X Major (battalion leader)

### General (corps leader)

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

>> Corporal (squad leader)

Basically yes.

XX Lieutenant Colonel (battalion leader or regiment vice leader)

xx Lieutenant (platoon leader or company vice leader)

XXX Colonel (regiment leader

Private (does all the menial work)

#### Colonel General (army group leader)

xxx Captain (company leader)

x Junior Lieutenant (platoon leader)