Laakiin ugu danbayntii, markii ciidamada koonfurta Vietnam ay burbureen, waxaa taangi T-54 ah oo ka tirsan ciidamada waqooyiga Vietnam uu burburiyay albaabka weyn
Saacadu markay ahayd 10:45 ee 30kii Abriil 1975, Dagaalkii Vietnam wuu dhamaaday.