An MQ-1 Predator unmanned aerial vehicle takes off from Creech Air Force Base, Nev., May 11, for a training sortie over the Nevada desert. Gen. John D.W. Corley, Air Combat Command commander, met with Army Gen. William S. Wallace, Army Training and Doctrine Command commanding general, June 30 to discuss a new concept of operations that would maximize the contributions unmanned aerial systems bring to the joint warfighter. (U.S. Air Force photo/Staff Sgt. Brian Ferguson)