Lt. Col. Baseemah Najeeullah, 8th Medical Operations Squadron dental flight commander, leads a class through a Zumba exercise routine at the base gym, Kunsan Air Base, Republic of Korea, Sept. 15, 2010. Zumba is a dance fitness program combining Latin and international music with dance in an effort to make exercise fun. (U.S. Air Force photo/Staff Sgt. Jonathan Pomeroy)