Why do the boys get arrested in October sky?

In "October Sky," the boys, including Homer Hickam and his friends, get arrested for trespassing when they attempt to launch their homemade rocket at a nearby coal mine. Their actions are seen as a violation of property rights and safety regulations, leading to their arrest. This incident underscores the conflict between their dreams of rocketry and the limitations imposed by their environment and the expectations of the community. Ultimately, it serves as a turning point that motivates them to pursue their ambitions more seriously.