GRISSOM AIR RESERVE BASE, Ind. -- Judi Behny, left, and Rachelle Hill-Wells take cover under a desk during a simulated earthquake here Feb. 7. Grissom personnel participated in a Great Central U.S. ShakeOut earthquake drill along with millions of other Americans. Behny is a comptroller quality assurance manager and Hill-Wells is a budget operations and management analyst. Both are assigned to the 434th Air Refueling Wing. (U.S. Air Force photo/Tech. Sgt. Mark R. W. Orders-Woempner)