sentences:  During 1961 Fortuna AFS joined the Semi Automatic Ground Environment (SAGE) system, initially feeding data to DC-20 at Malmstrom Air Force Base, Montana.After joining, the squadron was redesignated as the 780th Radar Squadron (SAGE) on 1 August 1961.The radar squadron provided information 24/7 the SAGE Direction Center where it was analyzed to determine range, direction altitude speed and whether or not aircraft were friendly or hostile.