Pentagon Greeting President Barack Obama, center, Vice President Joe Biden, left, and Defense Secretary Ash Carter greet each other during a meeting of the National Security Council at the Pentagon, Aug. 4, 2016, to discuss the campaign against the Islamic State of Iraq and the Levant. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley SHARE: Download: Full Size (0.97 MB) Credit: Air Force Tech. Sgt. Brigitte N. Brantley VIRIN: 160804-D-GO396-071.JPG Photo Gallery