The Soviet Air Defence Forces (Войска ПВО, Voyska ProtivoVozdushnoy Oborony, Voyska PVO, V-PVO, lit. Anti-Air Defence Troops; and formerly ProtivoVozdushnaya Oborona Strany, PVO Strany, lit. Anti-Air Defence of the Nation) was the air defence branch of the Soviet Armed Forces. It continued being a service branch of the Armed Forces of the...