1967 August to 17 August 23rd, who led the Eighth Regiment of Naval Anti-aircraft Artillery to enter Vietnam through Friendship Pass?

From August to August 23, 65438, 1967, the Eighth Regiment of Naval Anti-aircraft Artillery, led by its head Shi Wenling and political commissar Tian Jun, entered Vietnam through Friendship Pass in four echelons. When the troops entered Vietnam, they encountered rainy weather. Thick clouds covered the sun in the sky and it was raining in Mao Mao. The camouflaged motorcade moved slowly along the path.