President Trump supporters sing ‘God Bless the USA’ on flight leaving inauguration in DC

An airline passenger posted a video of a veteran singing "God Bless the USA" on a Southwest flight leaving President Donald Trump's inauguration. (Matt Oakley)

"In a world where everyone makes things seem so divided, it didn’t feel divided in that moment," Oakley said. (Matt Oakley)

"God Bless the USA" was written by Lee Greenwood. Greenwood performed at President Donald Trump's inauguration in the Rotunda of the U.S. Capitol. (Chip Somodevilla/Pool Photo via AP)