Michelle Mellars, wife of Col. Douglas Mellars, the 422nd Air Base Group commander, greets Betty Welsh, wife of Air Force Chief of Staff Gen. Mark A. Welsh III, at Royal Air Force Croughton, England, July 16, 2015. Welsh visited the installation and spoke with military spouses on the ever-growing key spouse program. (U.S. Air Force photo/Staff Sgt. Jarad A. Denton)