U.S. Air Force Maj. Gen. Lawrence Wells, 9th Air Force commander, and wife Kathy, try on a heart monitor during a visit to Langley Air Force Base, Va., Jan. 11, 2012.Wells and his wife visited Joint Base Langley-Eustis, Jan. 9 through 11, meeting with base personnel and learning about the evolution of one the military’s joint bases. (U.S. Air Force photo by Staff Sgt. Dana Hill/Released)