PENTAGON TROOPS President Barack Obama greets troops and thanks them for their service as Defense Secretary Chuck Hagel, far left, does the same at the Pentagon, Oct. 8, 2014. Obama visited the Pentagon to meet with Hagel and combatant commanders to discuss the ongoing fight against the Islamic State of Iraq and the Levant, or ISIL. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 235244-D-SHL68-789.jpg Photo Gallery