b'\n_START_ARTICLE_\nS-500\n_START_PARAGRAPH_\nS-500 Prometey (\xd0\x9f\xd1\x80\xd0\xbe\xd0\xbc\xd0\xb5\xd1\x82\xd0\xb5\xd0\xb9; "Prometheus") \xc5\x9fu anda Almaz-Antey Hava Savunma Kurulu\xc5\x9fu taraf\xc4\xb1ndan geli\xc5\x9ftirilmekte olan bir Rus y\xc3\xbczeyden-havaya f\xc3\xbcze sistemidir. Ayr\xc4\xb1ca 55R6M "Triumfator-M" olarak bilinir.'