LANGLEY AIR FORCE BASE, Va. -- Lt. Gen. William J. Rew, Air Combat Command vice commander, and Col. Donald E. Kirkland, 633d Air Base Wing commander, discuss the president’s visit May 9. President Obama delivered the commencement address at nearby Hampton University, emphasizing the importance of education and good citizenship to graduates. (U.S. Air Force photo/Staff Sgt. Christina M. Styer)