Do all armies have the same rank structure?

Private (does all the menial work)

Basically yes.

XXX Colonel (regiment leader

xx Lieutenant (platoon leader or company vice leader)

XX Lieutenant Colonel (battalion leader or regiment vice leader)

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

## General Lieutenant (division leader)

##### Army General (theatre leader)

# General Major (brigade leader)

>> Corporal (squad leader)

((>>> Company Sergeant (company quartermaster)

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

### General (corps leader)

xxx Captain (company leader)

x Junior Lieutenant (platoon leader)

>>> Sergeant (platoon vice leader)

#### Colonel General (army group leader)

X Major (battalion leader)

> Lance Corporal (squad vice leader)

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