SAMS in Vietnam . The Russian view. part 1 http://youtube.com/watch?v=WRDmPoWYHT4&feature=related part 2 http://youtube.com/watch?v=G-ndbdTh0jU&feature=related part 3 http://youtube.com/watch?v=mOVjmtjNR24&feature=related part 3 http://youtube.com/watch?v=KMCpu8e0CnI&feature=related part 4 http://youtube.com/watch?v=XAg0byfoCDY&feature=related