Bob Corker flying with Trump on Air Force One

Sen. Bob Corker boarded Air Force One Monday afternoon to ride with President Trump to Nashville, Tennessee, where the president is scheduled to give a speech.

Flashback: Corker has been a frequent Trump critic. In October, the two were engaged in a public Twitter fight in which Trump said the senator lacked "guts" to seek re-election and Corker compared the White House to "an adult day care center." They've since mended their relationship, bonding over media scrutiny, per CNN. Trump often tweets about "fake news," and Corker says the media falsely reported that he ultimately supported the GOP tax bill because of an element that would benefit his personal finances.