Today, 71 years ago, on March 31, 1954 (February 27, 1954), the North Vietnamese guerrilla advanced to Pamphill. On March 31, 1954, the North Vietnamese guerrilla continued to advance and tighten the blockade of the Pamphill airport, putting it in desolation. After the French were shot and assaulted by the Vietnamese, they lost a number of important positions. The guerrilla silently crossed the iron grid and the mine area and assaulted the French army. The bad weather and the accuracy of the North Vietnamese guerrilla caused many difficulties in delivering air cargo to the besieged area. The French aircraft did not intend to throw a gelated gas bomb to the North, but the French army could not prevent Soviet cars from connecting relief from China on the