In the book "State of the Union" by Brad Thor, one of the key elements is the portrayal of Germany's renowned GSG9 counterterrorism unit. This elite force is celebrated for its expert handling of complex and high-stakes situations, particularly in the realm of counterterrorism. The narrative brings to life their strategic approaches and the rigorous training that defines their operations.

A significant turning point for a character in the story is a bullet injury to his leg, which serves as a pivotal moment in the plot. This injury not only impacts the character's physical state but also highlights the dangers faced by those in counterterrorism roles. The book intertwines elements of suspense and action, reflecting the high-pressure environment that units like GSG9 operate in while exploring themes of sacrifice and resilience in the fight against terrorism.