Sully the Service Dog has started his next mission in Washington today.

The yellow Labrador was appointed to the rank of hospital corpsman second class through the Walter Reed National Military Medical Center‘s Facility Dog Program.

Sully is a well known service dog who served for George H. W. Bush during his final days of life.

Sully’s official Instagram account showed a photo of Sully lying in front of President Bush’s casket at his funeral, which was captioned, “Mission complete”.

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