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disabled veteran

At a warehouse near Dallas, a black Lab named Papi tugs on a rope to open a fridge and passes his trainer a plastic water bottle with his mouth.

Service dogs are often trained to help veterans with physical disabilities. Now, a growing number are being trained to meet the demand from vets with post-traumatic stress disorder and other mental health issues.

Those dogs learn extra tricks — how to sweep a house for intruders, for example, so a veteran feels safe.

Steve Newborn / WUSF News

"Debt of Honor: Disabled Veterans in American History" airs this month on PBS stations across the country, and on WUSF-TV on Sunday, Nov. 22 at 7 p.m.