U.S. Air Force Col. Christopher Callis, 509th Mission Support Group commander, introduces the current child care center operations to Mrs. Leah Esper, wife of Secretary of Defense Mark T. Esper, at Whiteman Air Force Base, Missouri, July 22, 2020. Esper learned about the resources available to Whiteman AFB Airmen and how base agencies maintain safe and reliable family support during the current COVID-19 public health posture. (U.S. Air Force photo by Senior Airman Thomas Johns)