Visitors sign a guest book at the George H.W. Bush Presidential Library Center in College Station, Tex., on December 1, 2018.
Bush's casket will be on public view until Wednesday morning, when it will be taken to the National Cathedral.
Bush died at his Houston home Friday at age 94.
A long motorcade accompanied the hearse carrying Bush's remains from a Houston funeral home to nearby Ellington Field for the trip to the nation's capital on an aircraft that often serves as Air Force One.
A moving photo of the late President George H.
Sully will reportedly make one last journey with the former president, accompanying his casket to Washington, DC, where Bush will lie in state from Monday. This website is not intended for users located within the European Economic Area. "President Trump is scheduled to speak with President George W. Bush this morning and offer his condolences on behalf of himself, the first lady, and the entire country".More news: United Kingdom lawmakers just released a trove of Facebook emails
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The two-year-old Sully has been at Bush's side since June, just weeks after the death of the president's wife Barbara, to whom he was married for 73 years.
President Bush's spokesman Jim McGrath shared a photo of Sully and the casket captioning it, "Mission complete".
Shortly before leaving the service, he married his 19-year-old sweetheart, Barbara Pierce, and forged a 73-year union that was the longest presidential marriage in USA history until her death.
The flag of the United States be displayed at half-staff at the White House and on all public buildings and grounds, at all military posts and naval stations, and on all naval vessels of the Federal Government in the District of Columbia and throughout the United States and its Territories and possessions for a period of 30 days from the day of his death. Alan Simpson, who became a close friend to Bush, and presidential historian Jon Meacham, the late president's biographer. The president will designate Wednesday, December 5th as a National Day Of Mourning.
Wreaths were placed at the casket by congressional leaders from both parties, as the Bush family, including former President George W. Bush looked on.
Historians believe Harry S. Truman's folksy aphorism about friends in Washington and dogs is probably apocryphal - the 33rd USA president didn't actually like dogs - but he would surely have fallen for Sully's charms. At the funeral for his wife, Barbara Bush, who passed eight months ago, Bush paid homage to his wife's favorite cause, literacy, by wearing socks decorated with stacks of colorful books.