 Nyorai mberi kweiyi ndima - Pakutanga kwa1952, Kaputeni Đổng akagadzwa kuva Mutungamiriri we55th Vietnamese Battalion 55e BVN yakamira paNà Sản fire-base. Mukupera kwaNovember, achishandisa madhivhisi matatu akaomeswa muhondo 308th, 316th uye 320th General Giap akarwisa Nà Sảnnechinangwa chokukunda mauto eFrance Union kuti atore kudzora kuchamhembe kwakadziva kumadokero kweTonkin. 55e BVN yakarwisana noushingi mukurwisa kusingachinji kwomuvengi. Kuti agumise mvura yevanhu, Đổng akarayira uto rake rokupfura zvombo kuti rikwane uye kupfura zvombo zvinopfura zvombo zvakananga kumauto omuvengi. Chisarudzo chake chakaponesa battalion uye chakamuita kuti akwidziridzwe kuva Major. 