Days before Chad Williams was to report to military duty in Great Lakes, Illinois, he turned on a television and was greeted with the horrifying images of his mentor, US Navy SEAL Scott Helvenston, being brutally murdered in a premeditated ambush on the roads of Fallujah, Iraq. Steeled in his resolve, Chad followed in Scott's footsteps and completed the US military's most difficult and grueling training to become a Navy SEAL. One of only 13 from a...