The Air Defence Troops are a Combat Arm of the Russian Ground Forces, intended to cover troops and facilities from means of air attack of the enemy during conduct by combined-arms associations and formations of operations, regroupings (marches) and being on-site. They are assigned to fulfil the following main tasks:combat duty on air defence; reconnaissance of enemy aircraft and warning the troops covered; destruction of enemy air attack means during their flight; participation in conduct of missile defence in theatres of military actions.