American Roland - Selected in 1975 as the forward air defense system for U.S. Army divisions the first missiles were delivered in 1977 with the first firing from the XM975 launcher vehicle (a modified M109 howitzer chassis) taking place in September 1978.
Roland 3 upgraded system - This uses either the existing Roland missile or a new Roland 3 missile with speed increased from 550 m/s to 620 m/s and range increased from 6.3 to 8.5 km with maximum effective altitude increased to 6,000 m.