Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, walks with Army Lt. Gen. Richard D. Clarke, director for strategic plans and policy on the Joint Staff, to the Australia-United States Ministerial Consultation at the Hoover Institute at Stanford University in Palo Alto, California, July 23, 2018. Clarke has been nominated to be the next commander of U.S. Special Operations Command. DOD photo by Navy Petty Officer 1st Class Dominique A. Pineiro