President Bush’s funeral marks the passing of the ‘Greatest Generation’

The casket of former president George H.W. Bush is carried out by pall bearers during his state funeral at the Washington National Cathedral in Washington, DC.

Former President George W. Bush touches the flag-draped casket of his father, former President George H.W. Bush, as he prepares to speak during his funeral at the National Cathedral in Washington DC.

From left, President Donald Trump, First Lady Melania Trump; former president Barack Obama and Michelle Obama; former president Bill Clinton and Hillary Clinton; former president Jimmy Carter and Rosalynn Carter attend the state funeral of former president George H.W. Bush at the Washington National Cathedral in Washington, DC.

The flag-draped casket of former President George H.W. Bush arrives carried by a military honor guard during a State Funeral at the National Cathedral.

The casket is viewed during the funeral service for former President George H. W. Bush at the National Cathedral in Washington, DC.

The flag-draped casket of former President George H.W. Bush is carried by a military honor guard during a State Funeral at the National Cathedral in Washington.

The casket with the remains of former President George H.W. Bush departs the U.S. Capitol during a State Funeral in Washington, DC.

The remains of President George H.W. Bush are transported from the U.S. Capitol to the National Cathedral.

Former presidents, vice presidents, first ladies and President Donald Trump attend the state funeral for former President George H.W. Bush at the National Cathedral.

The flag-draped casket of former President George H.W. Bush is carried by a joint services military honor guard from the U.S. Capitol in Washington DC.

Visitors gather for the funeral service for former President George H.W. Bush at the National Cathedral in Washington, D.C.

Former Vice President Al Gore, left, speaks with former Vice President Joe Biden (2-L), and his wife Jill Biden (C), as former Vice President Dick Cheney (Bottom-C), speaks with Commerce Secretary Wilbur Ross (R), before a State Funeral for former President George H.W. Bush at the National Cathedral.

Former Secretary of Defense Leon Panetta, left, prior to the funeral service for former President George H.W. Bush at the National Cathedral in Washington, D.C.

The flag-draped casket bearing the remains of former President George H.W. Bush lying in state at the Capitol Rotunda is closed to the public to prepare for the state funeral at the Washington National Cathedral on Wednesday.