U.S. Air Force Gen. Paul J. Selva, Vice Chairman of the Joint Chiefs of Staff, greets Sen. Joni Ernst before testifying during a Senate Armed Services Committee hearing on Capitol Hill in Washington, July 18, 2017. The hearing was held to consider Gen. Selva’s reappointment to the grade of general and as the Vice Chairman. (DoD Photo by U.S. Army Sgt. James K. McCann)