The responsibility of a service dog never ends. This is Sully, President George H.W. Bush’s service dog. Sully came to the President from America’s Vet Dogs and assisted Bush in recent months, after he lost Barbara and was confined to a wheelchair.

This photo was taken at the funeral home in Houston the night before the casket was transported to Washington to lie in state in the Capitol. It was first published on Twitter with the caption “Mission Complete #Remembering41.”

America’s Vet Dogs will take Sully back for some retraining, then will place him in the dog program at Walter Reed National Military Medical Center, where he will assist wounded soldiers and active-duty personnel.