Chief of Staff of the Air Force
Air Force Chief of Staff Gen. Mark A. Welsh III is welcomed to Hanscom Air Force Base, Mass., by (right to left) Maj. Gen. Craig S. Olson, C3I and Network Directorate program executive officer, Steve Wert, Battle Management Directorate PEO, Col. Michael A. Vogel, 66th Air Base Group commander, and Hanscom Command Chief Master Sgt. Craig A. Poling on the base flightline April 30. The general is speaking with military fellows, senior executive fellows and members of faculty at Harvard University. (U.S. Air Force Photo by Walter Santos)