Banning Station - The Grønstedt Principles

What is a hero? What is honor? What does it mean to be intrepid?
What is war?

Katira Grønstedt never seriously wondered about those questions. Even when being a navy officer, she grew up in peace and the worst thing she ever had to do was to scare of some pirates. She always liked to think of her job like every other, just that hers had a lot of weird traditions.
But her world turns upside down, when she becomes commander of the so called Banning Station.
Officially, there is no war between the Republic of Avgaran and the Hikers or the Grossmann Species. But there is the war between the Hikers and the Grossmann Species, and that does affect the Humans of Avgaran directly.
Commanding the station on the edge of a war means regular attacks, not only from outlaws. When the attacks start to multiply, it looks like someone is determined to get his hands on the worthy human technology.
The Avagaranien Republic still does not want to go war since the enemy itself would be the dark horse. Katira therefor is left alone on Banning with way to less people to face what she thinks is coming, she is determined to find out what the whole story is about.

Why are the aliens fighting each other? Who started the war?
Why does this war not end after so many years? Who would be willing to talk?

This is the english version of an origially German story I am currently working on. You can friendly tell me when you find a mistake or when I used a sentence structure that sounds very weird to you.
Genre: Classic Science Fiction / Space Opera
When I first started off with that Military Science Fiction thing, I did not think it would be this hard. You can't replace every lack of knowledge with fantasy, or your story turns into something hilarious. Therefore, I really appreciate comments on how the characters seem to you, whether their reactions and feelings seem realistic or not.