U.S. Air Force personnel of the 552nd Airborne Early Warning and Control Wing pose on the flight line at Naval Station Keflavik, Iceland, in front of an EC-121 Warning Star. Deployed on rotation from the continental United States, these radar and aircrew detachments flew long overwater patrols to extend NATO's early-warning coverage of the GIUK Gap, watching for Soviet long-range bomber and reconnaissance flights during the Cold War. Project: 218711