Master Sgt. Jessica Leiker, the 28th Operations Support Squadron noncommissioned officer in charge of mission weather operations, points at a low pressure zone over the Black Hills at Ellsworth Air Force Base, S.D., May 29, 2018. The Black Hills have some of the most unpredictable weather in the country and the weather flight is responsible for ensuring Airmen and aircraft are safe during all-weather conditions. (U.S. Air Force photo by Airman 1st Class Thomas Karol)