PENTAGON BRIEF Pentagon Press Secretary Nay Rear Adm. John Kirby conducts a news briefing with reporters at the Pentagon, March 24, 2014. Kirby said Defense Secretary Chuck Hagel issued a video message emphasizing professionalism in the Defense Department, and was meeting with senior service leaders on ways to maintain ethics and character across the force. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 179331-T-RZH84-370.jpg Photo Gallery