Jim McGrath, spokesman for H.W. Bush, on Sunday tweeted a photo of the 41st president's service dog, Sully, lying in front of a casket draped in the American flag.
Mr Bush, who served with distinction as an aviator in World War 11, lived a long and fruitful life that was exemplified by service to his country serving as a Congressman, Diplomat, Intelligence Head and as Vice President under President Ronald Reagan before ascending to his country's highest office.
In Texas, students, staff and visitors have been flocking to Bush's presidential library on the campus of Texas A&M University in College Station.
The 41st president died Friday, aged 94, at his home in Texas - "a very gentle and peaceful passing", his lifelong friend and advisor James Baker said Sunday on ABC.
The body of former president George HW Bush has arrived in Washington to lie in state. When Former President George W. Bush declared one for Gerald Ford's death in 2007, it was marked on the day of his January funeral at Washington's National Cathedral, closing the federal government and financial markets, as will happen for Bush on December 5. Mourners lined up at the Capitol in the afternoon, many speaking with nostalgia for the comity of the Bush era, in sharp contrast to today's bitter divisions in the age of President Donald Trump, a fellow Republican.
"Throughout his life of service, President Bush personified grace", he said. Former President Jimmy Carter also will be there.
On Thursday, Bush's remains will be flown back to Houston for a funeral at the St. Martin's Episcopal Church in Houston.
However, Pence told those assembled to pay their respects to Bush in the Capitol rotunda that not too much later, his son received a package from his fellow military man.
"A steady hand staying the course - that is what George Bush gave us for decades", Senate Majority Leader Mitch McConnell said.
Visitors sign a guest book at the George H.W. Bush Presidential Library Center in College Station, Tex., on December 1, 2018.
"He was just a high-quality man who truly loved his family", Trump said on Saturday while in Argentina for the G20 summit.
"Who would have thought that I would be working with Bill Clinton of all people?" he joked in 2005.