At the end of the service, Carter’s flag-draped casket was taken by motorcade to Joint Base Andrews for the return flight aboard the modified Boeing 747 that serves as Air Force 1 back to Georgia for burial in his hometown, Plains.

Trump is obviously no fan of Biden, but Obama and his veep also have a famously complex relationship, only made more so after Obama helped nudge Biden to quit the presidential race last summer. Surely Obama feels some frustration that Biden fumbled a possibly winnable race; maybe he couldn’t help spill to his sworn enemy?

All five living presidents were in attendance at Jimmy Carter's funeral. Here's the reception Donald Trump received from other dignitaries.