Log Category of Documents:
(U) Items 1-4: (15 pages, handwritten; B-3) Two personal letters with envelopes, one dated 9 Jun 71 and the other dated 16 Sep 71, from Pham Quang Trinh, a member of the Planning and Reconstruction Agency, Hai Phong Province, NVN, to his son, Pham Khac Nhu, who served in LBN 580,411 JH 25 ((unidentified)), and later in LBN 748,870 TA 20 ((possibly an element of the 15th Engr Bn, 2nd NVA Div, VC Military Region 5)), inquires about the addressee's health.