Johnathon Shellhart, a machinist with the 442d Maintenance Squadron, makes a simulated weld on the Metals Technology shop’s new VRTEX 360 virtual-reality welding trainer November 13, 2020, on Whiteman Air Force Base, Mo. The trainer is expected to save tens of thousands of dollars worth of time and waste material. (US Air Force photo by Tech. Sgt. Bob Jennings)