Military government is different from other governments in two ways:
1. It is a pure dictatorship with one leader at highest level of government
2. It is focused on building military alone
The military is provided for by the population, as military needs food, clothes, bases, weapons...ect.
However, in order to create a large military, military must be a bit humble, so every soldier must not have too high wage, because society can only provide a limited amount of money to military, and thus, if individual soldier costs less money, more soldiers can be payed.
The military government has two main battle tactics:
1. Human wave tactics
2. Concentrated attack
Human wave tactics are possible because this system produces huge amount of soldiers, which in turn also allows better concentrated attack.
Concentrated attack is always superior to defensive tactics, since defense tactics always suffer from streched defense problem.
Thus, keeping all soldiers together and concentrated perfectly in one place is superior to keeping them streched across many places, since the latter neither allows good attack nor good counter attack.
This society, which is essentially similar to North Korean model, allows for creation of great military to defend society.
North Korea is famous for its human wave tactics way of attack, as you can see in many of their videos that their soldiers are not trained to act defensively but just charge to attack enemy, and with an army of 7 million people, North Korea has an army which would be practically unstoppable if it charged on South Korea, as with so many soldiers, tanks and artillery attacking, South Korean defenses would quickly collapse since there is no way to defend against such wave of attack.
