There's Hetman, of course. He is a central figure in the war stories.
The mission where you have to infiltrate the enemy base under heavy cover at night is really exciting. It tests your stealth skills to the max.
I'm not entirely sure who all the main characters are specifically in the 'Arma 3 Laws of War' story, but they are likely soldiers and military leaders involved in the conflict.
The main character is the player - controlled military personnel. There may also be various squad mates who assist in different missions throughout the 'Arma 3 First Contact' story.
Perhaps there are tales of survival in 'hetman war stories'. After a battle, soldiers might have had to endure harsh conditions. They could have been stranded in a desolate area with limited supplies. But through their resourcefulness, like finding water sources and foraging for food, they managed to stay alive until help arrived.
There might be a story about a diplomatic negotiation during the war in 'hetman war stories'. The hetman could have met with the enemy leaders to discuss terms. This event would have been crucial as it could have potentially ended the hostilities or at least led to a temporary truce. During the negotiation, the hetman would have had to be very shrewd and diplomatic to get the best deal for his side.
Well, the 'Arma 3 Laws of War' story is really about exploring the gray areas in war. It follows different characters as they navigate through the chaos of battle. There are elements of following military rules, but also the challenges that arise when those rules seem to conflict with the realities on the ground. For example, it might show a situation where a soldier has to decide between following a strict order and doing what seems morally right in a particular moment of the fight. And it also shows how war affects the local population, not just the combatants.
The pilots who control the War Robots can also be main characters. Their skills, strategies and personalities play important roles in the stories. For example, a brave and innovative pilot might lead his War Robot to victory in a difficult battle. Some pilots might be more cautious while others are more aggressive, and these traits can greatly influence the outcome of the stories.
The soldiers are often main characters. Both the American soldiers and the Vietnamese soldiers had their own stories, their fears, and their hopes.
I'm not sure specifically who the main characters are without more context. But they could be soldiers, commanders, or civilians caught in the middle of the war.
Mario is one of the main characters, of course. He plays a crucial role in the war.