U.S. Army Gen. Charles H. Jacoby Jr., U.S. Northern Command commander, greets U.S. Air Force Maj. Gen. Jonathan T. Treacy, Joint Task Force and Civil Support commander, after stepping off a plane at Langley Air Force Base Sept. 21, 2011. Jacoby visited Joint Base Langley-Eustis during his tour of military installations throughout the Hampton Roads region. (U.S. Air Force photo by Staff Sgt. Logan Tuttle/released)