Vietnam veteran and entrepreneur is candid about PTSD battle and achieving the American dream

Bob Parsons, best known for his entrepreneurial endeavors, including GoDaddy, the domain name registrar, points back to his tour in Vietnam serving the nation as the launching pad for so much else that followed in his life. 

In his new personal memoir, "Fire in the Hole!: The Untold Story of My Traumatic Life and Explosive Success," the billionaire entrepreneur, who's based in Arizona, opens up about growing up impoverished in East Baltimore, Maryland, and how he overcame his biggest battle with PTSD — all while reaching his American dream.

The Purple Heart recipient served as a Marine in the Vietnam War, fulfilling his duty as a rifleman in Delta Company of the 1st Battalion.