Air Force Week in Photos U.S. Air Force Logo Dec. 8, 2011 A new day The sun rises over the flightline Dec. 2, 2011, at Westover Air Reserve Base, Mass. Westover ARB is geographically the country’s largest air reserve base. (U.S. Air Force photo/Master Sgt. Andrew Biscoe) Details Download This week's photos feature Airmen around the globe involved in activities supporting expeditionary operations and defending America. This weekly feature showcases the men and women of the Air Force. View the slideshow.