Sully the Service Dog Lies by President George H.W. Bush's Casket in Heartbreaking Photo

A photo of Sully the service dog lying down in front of President George H. W. Bush's casket is breaking hearts everywhere.

The president’s spokesman, Jim McGrath ,uploaded the picture to social media with the caption, "Mission complete. #Remembering 41"

The 41st president of the United States died late Friday at his home in Houston, Texas. He was 94.

Sully became a part of the Bush family in June after being trained by the New York-based nonprofit organization America's VetDogs, which provides service dogs for disabled service members and first responders.

The president had vascular Parkinsonism, a disease believed to be related to Parkinson's and with similar symptoms. In Bush's case, it ultimately robbed him of his ability to walk, among other things. Sully was specially trained to open doors, pick up items and even call for help.

Like his owner, the pup is a patriot. One of Bush's last wishes was for Sully to continue to serve and he will return to New York for the holidays before heading to Washington, D.C. There, he will join the Walter Reed National Military Medical Center's Facility Dog Program.

He will be trained so he can serve another vet who has sacrificed so much for the country.

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