Former US first lady Michelle Obama said yesterday she was canceling book tour visits to Paris and Berlin to attend the funeral of former president George H.W. Bush, who died Friday aged 94.
Then-president Bush and his Soviet counterpart Mikhail Gorbachev hold a news conference in Moscow in 1991.
Bush received Sully in June from America's VetDogs, a nonprofit organization.
The president had a form of Parkinson's disease, and Sully could open doors, pick up items and summon help.
KTRK-TV in Houston reports that Sully will return to America's VetDogs in NY before joining the Water Reed National Military Medical Center's Facility Dog Program.
Bush's son and 43rd President George W. Bush shared the photograph and wrote: "As much as our family is going to miss this dog, we're comforted to know he'll bring the same joy to his new home as he did to 41".
Bush's body will be transported by a motorcade Monday morning from a Houston funeral home to Ellington Field Joint Reserve Base, a Texas Air National Guard base. The locomotive has been painted the colors of the Air Force One plane used during his presidency and bears the number "4141" in honour of the 41st president.
Bush's casket is set to arrive in Washington on Monday afternoon aboard the US military airplane that's more commonly recognized as Air Force One.
He added: "A lovely day In Texas - 'ceiling and visibility unlimited, ' Mr. President".
The former president will lie in state in the US Capitol between Monday and Wednesday ahead of a state funeral at the towering National Cathedral, expected to draw dozens of dignitaries from around the world.
From there, a departure ceremony will be held at 10 a.m. on Wednesday before Bush's casket is transferred to the Washington National Cathedral at 11 a.m., where a funeral service will be held for family and friends. Dozens of foreign leaders and United States luminaries are expected.
Former Canadian prime minister Brian Mulroney told Politico he will deliver one of several eulogies, at Bush's request.
In lieu of flowers, those wishing to honor the late president may make donations to the George Bush School of Government and Public Service at Texas A&M University. His final resting place will be alongside Barbara Bush, his wife of 73 years who died in April at the age of 92, and Robin Bush, the daughter they lost to leukemia in 1953 at age three.
Sully is named after former airline pilot Chesley B.
Baker called him 'far and away the best one-term president we have ever had, ' alluding to Bush's single biggest political failure - his loss in the 1992 election to Bill Clinton.