 In 1975 the 107th was given a new mission for resupply of the Greenland Icecap's radar stations.The 109th was re-equipped with 5 C-130D Hercules, assuming responsibility for the Volant DEW Line resupply mission to the DYE-1, 2, 3 and DYE-4 stations.The 109th assumed the mission from the Air Force's Alaskan Air Command receiving their eleven C-130s, five of which were ski-equipped for landings on packed snow runways.