Jon Paul Wallace, engineering flight chief for Civil Engineering, talks with Maj. Gen. C. McCauley von Hoffman, director of Logistics, Civil Engineering, Force Protection and Nuclear Integration, Headquarters Air Force Materiel Command, about improvements made to facilities at Arnold Air Force Base, Tennessee, Dec. 1, 2022, during the general’s visit. The improvements include the room they are standing in which will become the new Emergency Communications Center/Base Defense Operations Center. Arnold AFB is headquarters to Arnold Engineering Development Complex. (U.S. Air Force photo by Jill Pickett)