To be precise, an entire battalion of 100mm heavy anti-aircraft artillery was waiting for them. How could the Vietnamese side not make every effort to protect such an important bridge? Around the command post, there are 18 100mm heavy anti-aircraft guns purchased at high prices, in addition to a number of 37mm self-propelled anti-aircraft guns, forming a tight air defense fire network, with air defense radar tracking. day and night sky. night waiting for the French army to attack! ,Zhong Wei chuckled: "Pick persimmons gently! Are you hungry? Let's go, try Vietnamese food!"