Darth Vader is a key figure. His fall to the dark side and then his redemption are crucial elements in Star War stories.
Princess Leia is another important one. She is a strong leader in the Rebel Alliance.
Luke Skywalker is a main character. He's central to the fight against the Empire.
I'm not sure specifically as I haven't read every 'Star Spangled War Stories'. But typically, there could be brave soldiers, maybe a fearless sergeant or a young and eager private. There might also be commanders who play important roles in leading the troops.
Typically, characters like Anakin Skywalker might be a main character as his story is crucial to the Star Wars saga starting from the first part. Also, Obi - Wan Kenobi who was Anakin's mentor.
In 'Solo: A Star Wars Story', Han Solo is front and center. He's the character we learn about from his early days. His relationship with Chewbacca is developed, and Chewbacca is a very important character. Lando Calrissian is a main character as well. He has his own style and brings a different dynamic to the story. There are also some villains and side characters that help move the story along, but these three are the ones that really drive the plot.
In the Star Wars Empire at War story, on the side of the Galactic Empire, Darth Vader is a major figure. He is a Sith Lord, feared across the galaxy. Emperor Palpatine also plays a crucial role as the leader of the Empire. For the Rebel Alliance, Luke Skywalker is important. He is a Jedi in training and has a strong connection to the Force. Princess Leia is also a key character. She is a leader within the Rebellion and is strong - willed and intelligent.
Jyn Erso is one of the main characters. She is a key part of the mission to steal the Death Star plans.
In 'rogue one star war story', Jyn Erso is a key character. She's on a journey to fight against the Empire due to her father's involvement in the Death Star's creation. Cassian Andor is another main character. He is a complex character who is often forced to make tough decisions in the name of the Rebellion. Chirrut Îmwe is also important. His unique view of the Force and his combat skills make him stand out. K - 2SO, a reprogrammed Imperial droid, is also among the main characters, providing some comic relief while also being a valuable asset to the team.
An alien diplomat could be a main character. This diplomat has witnessed the inequalities in the galaxy and decides to use his diplomatic skills and connections to promote the socialist revolution. He could be the one to negotiate alliances between different planets and species that support the revolution, and also be involved in drafting the new socialist - inspired galactic constitution.
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.