MULLEN SPEAKS AT ALMA MATER Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, addresses students, parents and faculty at his high school alma mater, Notre Dame High School, Sherman Oaks, Calif., Sept. 19, 2008. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 591532-S-XXE99-379.jpg Photo Gallery