BARKSDALE AIR FORCE BASE, La - General-Colonel Alexander Nikolayevich Zelin, Commander-in-Chief of the Russian Federation Air Force, sits in the cockpit of a B-52 during his visit to Air Force Global Strike Command April 4. The Russian Air Chief received an overview of Air Force Global Strike Command's mission as part of the Chief of Staff of the Air Force's counterpart visit program. (U.S. Air Force photo/Master Sgt. Corey A. Clements)