The 'Jarhead' real story is based on the experiences of Marines in the Gulf War. It shows their training, the boredom of waiting for action, and the psychological impact of war on them.
The 'Jarhead Law of Return' likely refers to something specific within military or related contexts. However, without more specific information, it's hard to detail the exact real story. It could potentially be related to the experiences and regulations regarding the return of military personnel, perhaps Marines (as 'Jarhead' is a term often associated with Marines).
The movie is likely based on various real - life military operations and the daily life of Marines. It may include events related to combat training, deployment, and the challenges of living in a military environment.
To some extent. The movie takes elements from real-life situations but also incorporates fictional elements for dramatic effect. So, it's a mix of truth and creative interpretation.