Nathan VMF Service Dog

Nathan as a young pup. (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan as a young pup. (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan as a young pup. (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan as a young pup. (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan visits New York City and meets some of New York's finest. (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan at Arlington National Cemetery sitting next to Nathan Bruckenthal's grave. (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan meets Ric Bruckenthal (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan in Washington D.C. (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan at Arlington National Cemetery. (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan in Washington D.C. (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan in Washington D.C. (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan meets Ric Bruckenthal's family and friends (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan sitting next to Nathan Bruckenthal's grave at Arlington National Cemetery. (credit: Cyndi Perry)

Nathan VMF Service Dog

Nathan with other VMF dogs. (credit: Cyndi Perry)