Elon Musk was visibly bursting with excitement after President Donald Trump’s inauguration. At a celebratory rally on Monday at Capitol One Arena in Washington, he pumped his fist in the air and bellowed a “Yes!

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,

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.