Gen. Mike Holmes, commander of Air Combat Command, Maj. Gen. Peter Gersten, U.S. Air Force Warfare Center commander, Brig. Gen. William Burks, the Adjutant General for the state of Nevada, and Col. Christopher Zuhlke, Nevada Test and Training Range commander, break ground on the Virtual Test and Training Center (VTTC) on Nellis Air Force Base, Nevada, Jan. 8, 2019. VTTC training will allow warfighters to adapt to the future fight, while strengthening security on the home front. (U.S. Air Force photo by Airman 1st Class Bailee A. Darbasie)