Mayville, Kirby Brief Reporters on Airstrikes Army Lt. Gen. William C. Mayville Jr., director of operations for the Joint Chiefs of Staff, briefs reporters on current operations in Syria as Pentagon Press Secretary Navy Rear Adm. John Kirby looks on at the Pentagon, Sept. 23, 2014. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 734329-H-EBN38-403.jpg Photo Gallery