18th Operations Group change of command Published June 25, 2024 By Airman 1st Class Catherine Daniel 18th Wing Public Affairs KADENA AIR BASE, Japan -- U.S. Air Force Brig. Gen. Nicholas Evans, 18th Wing commander, presided over the change of command ceremony where Col. Henry Schantz, outgoing 18th OG commander, relinquished command to Col. David Deptula, incoming 18th OG commander.