Trump, who has not always uttered kind words about the Bush family, offered nothing but praise in the hours after the former president's death was announced.
Their presidencies separated by a single generation, the nation's 41st and 45th presidents shared little in personality or worldview.
Bush's passing has led to an outpouring of remembrances for the humble and gentlemanly statesman, whose life and service was seen to stand in direct contrast to the vitriol and partisanship that has enveloped elected politics in recent years.
Meanwhile, the City of Houston is honoring George H.W. Bush with a City Hall tribute and is urging people who attend to dress in colorful socks.
Former President George H.W. Bush wears socks depicting military jets flying in formation during a Pearl Harbor remembrance ceremony in December 2016.
The president's spokesman, Jim McGrath, uploaded the picture to social media with the caption, "Mission complete".
Colorful socks were one of the former president's favorite fashion accessories. Barbara Bush died on April 17 at their Houston home.
On Thursday, a private funeral service with about 1,200 invited guests will be held at the church starting at 10 a.m. CST. His body will then be transported by a special train to its final resting place, the Bush Presidential Library in College Station, Texas.
To view the Washington Post's live stream of the arrival ceremony in Washington for viewing at the U.S. Capitol, click on this link.
White House press secretary Sarah Sanders said in a statement Wednesday has been designated as a national day of mourning, and that the White House flags have already been lowered to half staff to honor Bush. A World War II hero who gave his service revolver to a Navy lieutenant aboard the submarine that rescued him after his plane was shot down. He would go on to serve as ambassador to the United Nations and China, head of the Central Intelligence Agency and chairman of the Republican National Committee before being elected to two terms as Ronald Reagan's vice president.
The photo touched the hearts of many Twitter users.
Bush and Bill Clinton smile as they leave the Oval Office in 2005.
He was denied a second term by Arkansas Gov. Clinton, who would later become a close friend.
Bush visits a tent camp for quake survivors on the outskirts of Islamabad, Pakistan, in 2006.