I copied the intro from https://lisasbooksgemsandtarot.wordpress.com/2019/09/20/first-lines-friday-20-9-19/. Thanks to Lisa for posting this new-to-me Prompt.
“What the hell have I done?
I imagine that countless Army recruits have asked themselves this as they arrived for processing at Fort Knox.
The sign on the gate read: “Welcome to the Army”.
Scroll down to find what book this is.
The book is “Sergeant of the Guard: The Road in Iraq” written by R. Morgan Crihfield.