Hawes Radio Relay Facility (also known as the Hawes Radio Tower) was a United States Air Force installation built on the site of the former Hawes Airfield at Hinkley, California, USA at (34°55′1″N117°22′36″W). The site contained a 373.7 meters ( 1226 ft ) tall guyed mast antenna and hardened underground facility used for the Strategic Air Command's AN/FRC-117 Survivable Low Frequency Communications System.