PENTAGON BRIEF Defense Secretary Chuck Hagel, at podium, is joined by Deputy Defense Secretary Bob Work, far right, as well as Air Force and Navy leaders to announce a series of reforms to the nuclear enterprise during a news briefing at the Pentagon, Nov. 14, 2014. Air Force Global Strike Command commander Lt. Gen. Stephen Wilson, left, Air Force Secretary Deborah James, second left, U.S. Strategic Command commander Adm. Cecil D. Haney, third from right, and Vice Chief of Naval Operations Adm. Michelle Howard SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 260470-X-OEG56-848.jpg Photo Gallery