2012 Ultimate Fitness Challenge
1st Lt. Michelle Anderson, the 512th Maintenance Group executive officer and event organizer, explains to participants at the Ultimate Fitness Challenge how to perform a sit-up Oct. 13, 2012, at the track, Dover Air Force Base, Del. Capt. Jeremy Reynolds, 512th Mission Support Group, and 2nd Lt. Michael Spencer, 512th MXG, demonstrated the proper technique. (U.S. Air Force photo by Senior Airman Joe Yanik)