Senior Airman Marian Bock, 22nd Maintenance Squadron munitions flight custody accounts technician, exits an earth-covered magazine facility, or igloo, after performing inventory inspections Aug. 28, 2020, at McConnell Air Force Base, Kansas. Certain types of ammunition have to be stored in these earth covered facilities to meet safety regulations. (U.S. Air Force photo by Senior Airman Skyler Combs)