JOINT BASE ANDREWS, Md. -- R&B artist, Usher, visited the 459th Air Refueling Wing and was given a tour of a KC-135 Stratotanker along with other faciltiies here Dec. 17. During his visit, Usher also met with servicemembers and personally thanked them for defending the country. Later that evening he performed in a concert at the Verizon Center in Washington DC. (U.S. Air Force photo/Tech. Sgt. Steve Lewis)