OATH OF ENLISTMENT Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, administers the oath of enlistment to U.S. Petty Officer 1st Class Lynval E. Weise while his son, Cameron, and his brother, Denroy Billings, look on at the Pentagon, May 19, 2011. Weise has served as a Navy culinary specialist for 10 years and with the chairman's culinary staff for two years. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 611010-C-FDC93-384.jpg Photo Gallery