The funeral procession of former President George H.W. Bush passes in front of the White House Wednesday, Dec. 5, 2018, en route to the Washington National Cathedral in Washington, D.C. (Official White House Photo by Tia Dufour)

181203-D-AG490-0653 WASHINGTON (Dec. 3, 2018) Friends and family watch as U.S. service members stand watch over the casket of George H. W. Bush, the 41st President of the United States, during Bush’s arrival ceremony in the U.S. Capitol building’s rotunda, Dec. 3, 2018. Nearly 4,000 military and civilian personnel from across all branches of the U.S. armed forces, including Reserve and National Guard components, provided ceremonial and civil affairs support during Bush’s state funeral. (DoD photo by U.S. Navy Mass Communication Specialist 3rd Class Maxwell Anderson/Released)
A man pauses to pay his respects in front of the casket of former President George H. W. Bush at St. Martin’s Episcopal Church during the state funeral in Houston, Texas, Dec. 5, 2018. Nearly 4,000 military and civilian personnel from across all branches of the U.S. armed forces, including Reserve and National Guard components, provided ceremonial support during the state funeral of George H. W. Bush, the 41st President of the United States. (U.S. Army photo by Spc. Dana Clarke)
President Donald J. Trump and First Lady Melania Trump, joined by former President Barack Obama and First Lady Michelle Obama, former President Bill Clinton and First Lady Hillary Clinton and former President Jimmy Carter and First Lady Rosalynn Carter, watch as the casket of former President George H. W. Bush arrives to the funeral service Wednesday, Dec. 5, 2018, at the Washington National Cathedral in Washington, D.C. (Official White House Photo by Andrea Hanks)