President Trump Swears In Mark Esper As Secretary Of Defense
WASHINGTON, DC - JULY 23: U.S. Supreme Court Justice Samuel Alito is seen after a swearing in ceremony for Mark Esper to be the new U.S. Secretary of Defense July 23, 2019 in the Oval Office of the White House in Washington, DC. Esper succeed James Mattis to become the 27th U.S. Defense Secretary.(Photo by Alex Wong/Getty Images)