A staff member of the German air force chief of staff adjusts virtual reality headgear during a visit to the Euro-NATO Joint Jet Pilot Training Program at Sheppard Air Force Base, Texas, Dec. 13, 2019. Introduction to Fighter Fundamentals has replaced a graded air combat manuvering simulator flight in their training with the new virtual and augumented reality simulator. (U.S. Air Force Photo by 2nd Lt. Megan Morrissey)