'Owen' wrote: 'He hadn't even prepared a defense. He had no intention of fighting. He asked his followers for decades to wear suicide vests or fly planes into buildings, but didn't even pick up his weapon.
'In all of my deployments, we routinely saw this phenomenon. The higher up the food chain the targeted individual was, the bigger a p**** he was.'
The book was originally slated to hit book stores on September 11 but will now come out seven days earlier.
It has already stirred a considerable amount of controversy as it was revealed that the Pentagon, the CIA, the Office of the Director of National Intelligence, and even the White House appeared to have no idea that the book was being written.
The autobiography may also be heading to the big screen, as it was revealed on Sunday that director Steven Spielberg met with the retired commando to discuss making a movie about his experience.