Radar Center The AN/FPS-117 engineering facility at Hill Air Force Base, Utah, is used for testing and training and is a replica of the long-range radar systems that make up the American-Canadian North Warning System. Hill AFB will serve as a test bed for 5G technologies related to radar use. SHARE IMAGE: Download Image: Full Size (1.83 MB) Photo By: Todd Cromar, Air Force VIRIN: 191120-F-LS255-0001C.JPG Photo Gallery