"Statement of Senator John Warner"(PDF). Nominations of Adm. Michael G. Mullen, USN, for reappointment to the grade of Admiral and to be Chairman of the Joint Chiefs of Staff; and Gen. James E. Cartwright, USMC, for reappointment to the grade of General and to be Vice Chairman of the Joint Chiefs of Staff. Committee on Armed Services, US Senate. July 31, 2007. pp. 903–905. Retrieved June 11, 2011.
