Work Speech Deputy Secretary of Defense Bob Work addresses the staff of U.S. Northern Command at Peterson Air Force Base, Colo., Dec. 18, 2015. Work is in Colorado to meet with defense leaders and tour local commands. DoD photo by Navy Petty Officer 1st Class Tim D. Godbee SHARE: Download: Full Size (0.89 MB) Credit: Petty Officer 1st Class Timothy Godbee VIRIN: 151221-D-XT155-002.JPG Photo Gallery