Summarize
Two personal history statements and a self-critique statement by Hoang Trong Tai, chief radio operator. He was born on 1 Apr 44 in Đông Lương Village, Cám Khê District, Vinh Phu Province, NV. Enlisted on 25 Mar 67, infiltrated SVN on 5 May 68, reassigned to the 3rd NVA Division on 19 Aug 68, and to Unit 122, Lien Gia 4.