A loadmaster from the Kentucky Air National Guard’s 165th Airlift Squadron, directs the offloading of an R-11 refueling truck from a C-130J Super Hercules aircraft at Barkley Regional Airport in Paducah, Ky., May 13, 2025, in support of Exercise Grindstone, a three-day earthquake-response scenario staged in the New Madrid Seismic Zone. Paducah lies within the zone, the most active seismic area in the Eastern United States, and could serve as an air hub in the event of an large-scale earthquake (U.S. Air National Guard photo by Dale Greer)