180402-D-PB383-002
Defense Secretary James Mattis, Marine Corps Gen. Joseph F. Dunford, Jr., chairman of the Joint Chiefs of Staff, and Army Command Sgt. Maj. John W. Troxell, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, host Cooper Smith and his family during a visit at the Pentagon in Washington, D.C., April 2, 2018. (DOD photo by Navy Petty Officer 1st Class Dominique A. Pineiro)
180402-D-PB383-002
Defense Secretary James Mattis, Marine Corps Gen. Joseph F. Dunford, Jr., chairman of the Joint Chiefs of Staff, and Army Command Sgt. Maj. John W. Troxell, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, host Cooper Smith and his family during a visit at the Pentagon in Washington, D.C., April 2, 2018. (DOD photo by Navy Petty Officer 1st Class Dominique A. Pineiro)