On December 14, the 271st Regiment of the PAVN 3rd Division launched their attack on the ARVN 362nd Security Battalion, also based in Bù Đốp. After two hours of fighting nearly all members of the 2/271st Regiment had managed to penetrate the South Vietnamese defensive line around Bù Đốp, and by 11.30am the 271st Regiment successfully overwhelmed the Bù Đốp military zone.History of 4th Army Corp-Cuu Long Army Corp, 2004" On the same day, after a night of encirclement, the PAVN 165th and 201st Regiments, both drawn from the 7th Infantry Division, established control over the Vinh Thien area and the Bu Dang administrative centre after more than two hours of fighting.
