Musk, 53, spoke to a crowd of Trump supporters at Capital One Arena in Washington, D.C., after Trump was sworn in at the U.S. Capitol. While thanking the supporters, Musk put his right hand over his heart, then extended his arm out with his palm down. He then turned around and repeated the gesture.

Monday’s inauguration of Donald Trump as the 47th President of the United States was a historic yet controversial ceremony for the country. Aside from it coinciding with Martin Luther King Day, many Americans tuned into the live broadcast of the ceremony to get insight on the new administration’s plans for the country,