Yes, they could be. If the soldiers are shown to be protecting the girl scouts or the community in the story, they can be considered heroes. Their actions of safeguarding others make them heroic figures.
It's not a true story. The author likely crafted the narrative using imagination and creative elements to tell a compelling tale that might draw inspiration from various sources but not directly represent real-life happenings.
It's not a completely true story. While it might draw inspiration from real-life situations, there are likely creative liberties taken to make it more engaging and entertaining.
In the girl scout story, soldiers might not be the main focus. However, they could potentially play a role in providing a sense of security or protection in the setting of the story. For example, if the girl scouts are in an area that has some sort of threat, soldiers could be there to keep everyone safe.
I'm not sure specifically which '12 soldiers true story' you are referring to. It could be about a military mission involving 12 soldiers, perhaps their heroic deeds in combat, or their experiences during a particular war or operation.