Iraq War veteran and PTSD service dog form instant bond

(CBS NEWS) – Nearly a decade after being honorably discharged from the U.S. Marine Corps, John Gerula is still struggling to fit back into his hometown of Windber, Pennsylvania.
The now 33-year-old Iraq War veteran signed up for the Marines at the age of 18 — two weeks after working as a first responder during the September 11 attacks. Gerula’s first disaster call as a junior firefighter was to the crash of United Airlines Flight 93 in Shanksville, Pennsylvania.
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