sentences:  During the Soviet–Afghan War, Soviet Airborne troops used ASU-85s in combat.In early 2016, Vietnam expressed interest in an upgrade package for the ASU-85 that includes more powerful powerpack that increases road speed from and cruising range from .There are no variants of the ASU-85, but its chassis served as the basis for other designs, such as the GM-575 chassis of the ZSU-23-4 "Shilka" and the GM-568 and GM-578 chassis' of the 2P25 launch vehicle and 1S91 radar vehicle of the 2K12 "Kub" system.