U.S. Air Force 1st Lt. Kayon Dickens, a registered nurse assigned to 81st Medical Group out of Keesler Air Force Base, Mississippi, checks a patient’s oxygen tube at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana, Sept. 20, 2021. U.S. Northern Command, through U.S. Army North, remains committed to providing flexible Department of Defense support to the whole-of-government COVID response. (U.S. Army photo by Sgt. 1st Class Timothy Hughes)