At that time, the enemy had removed about 80 meters of the bridge deck of the more than 100-meter-long Luding Bridge, and used a company of machine guns and artillery to form intensive firepower on the high ground at the east end of the bridge to tightly blockade Luding Bridge. Fixed bridge deck. At noon, the Fourth Red Regiment held a cadre meeting in the Shaba Catholic Church to carry out combat mobilization and organized a 23-man bridge commando team led by company commander Liao Dazhu and instructor Wang Haiyun. At four o'clock in the afternoon, 23 warriors braved a hail of bullets and climbed on the bare iron chain to rush towards the east bridge. Three soldiers, led by Wang Youcai, followed closely behind, carrying guns on their backs, holding wooden boards in one hand and chains in the other, laying bridge planks as they advanced. When the warriors climbed to the middle of the bridge, the enemy set a fire at the east end of the bridge in an attempt to use the fire to prevent the Red Army from seizing the bridge. Facing the sudden flames, the warriors shouted, "Comrades, this is the last moment of victory. Take courage and charge forward! Don't be afraid of fire, charge forward! The enemy is defeated, charge forward!" Liao Dazhu jumped up and stepped forward. Get on the bridge board and rush to the east bridge head. The warriors rush up soon after, draw their sabers, and start hand-to-hand combat with the enemy. At this time, political commissar Yang Chengwu led the team to rush across the east bridgehead, repelled the enemy's counterattack, occupied Luding City, and quickly extinguished the bridgehead fire. The whole battle lasted only two hours, and the Luding Bridge was captured in a thrilling and thrilling manner, shattering Chiang Kai-shek's dream of pursuing the south and north to turn the Red Army into the second Shi Dakai with the help of the natural barrier of the Dadu River. Luding Bridge therefore became an important milestone during the Long March of the Communist Party of China. It laid a solid foundation for the rendezvous of the 1st, 2nd and 4th Red Army of great historical significance, and finally went north to northern Shaanxi to end the Long March. It is in the history of the Chinese revolution. He wrote an immortal chapter and received the magnificent praise of "Thirteen iron chains split the road to the Republic of China". Seven of the ten founding marshals of New China passed through Luding Bridge during the Long March. . At that time, on the Luding Bridge after a fierce battle, Marshal Liu Bocheng once stamped his feet heavily on the bridge board three times and said with emotion, "Luding Bridge, Luding Bridge, how much energy we have spent on you, how much energy we have spent on you." With all our hard work, now we are victorious, we are victorious!" Commander-in-Chief Zhu De wrote in his memories of the Long March the poem "Thousands of miles of the Yangtze River still remembers the danger of Luguan", which fully illustrates the danger and heroism of the Red Army's Long March to capture the Luding Bridge.