Airmen with the 100th Operations Support Squadron and 351st Air Refueling Squadron discuss potential combat crew communication practices during a briefing at RAF Mildenhall, England, Dec. 3, 2019. The combat crew communications shop’s main goal is to ensure the security of all aircrew communications during their flights. This includes training aircrew on the use of a variety of materials to help securely talk over the air. (U.S. Air Force photo by Senior Airman Brandon Esau)