DYE Stations were Distant Early Warning Line sites of the DEW Line eastern extension in Arctic North America in Greenland (DEW Greenland Extension, "DEW East") and Iceland. DYE Stations were equipped with the 600 MHz AN/FPS-30 long-range radar within geodesic domes of about 60 feet diameter. Crews were regularly supplied and rotated by C-130 aircraft of the 109th Airlift Wing (NYANG) staging through Sondrestrom Air Base.