Gen. Stephen W. Wilson, vice chief of staff of the Air Force, greets Master Sgt. Nicholas Schulte, 312th Training Squadron flight chief, at the Louis F. Garland Department of Defense Fire Academy on Goodfellow Air Force Base, Texas, May 29, 2020. Instead of shaking hands, bumping elbows has become the new way to greet in light of COVID-19 health and safety measures. (U.S. Air Force photo by Airman 1st Class Ethan Sherwood)