sentences:  During the Vietnam War, the S-60 was the keystone of North Vietnamese low-altitude air defense and was most effective between 460 meters and 1,500 meters.In Iraq (Iran–Iraq War, Gulf War and Iraq War), the S-60, normally deployed in battalions of 36 guns, served consistently in defense of divisional headquarters and field artillery assets.Georgian army air defence units used S-60 guns during Russo-Georgian War war, some units engaged Russian attack aircraft near city of Gori.