Col. Marcus Boyd (from left), the commander of the Air Force Agency for Modeling and Simulation, welcomed Gen. Philip Breedlove and Brig. Gen. John R. Ranck Jr. to the AFAMS office Feb. 18, 2011, in Orlando, Fla. General Breedlove is the vice chief of staff of the Air Force, and General Ranck is the director of warfighter systems integration in the Office of Information Dominance and the chief information officer in the Office of the Secretary of the Air Force. (U.S. Air Force photo/Jim Stachowicz)