Summarize
Twelve letters of introduction for Youth Group activities, dated from 24 Nov 68 to 8 Feb 70, introduce 12 personnel of the following units to Youth Group Chapter 13 of K37 ((possibly 37th Sapper Battalion, B3 Front)), to C17, and to other unspecified units: Cl-K28-PTM-B3 ((possibly 1st Company, 28th Engineer Battalion, Military Staff, B3 Front)); C13 ((Company)) of K37; the Sapper Training School of E3 Front; and K5 Politico-Military Training School of B3 Front. They are all natives of NVN; enlisted from Feb 65 to Jul 68; and were admitted to the Youth Group from Sep 61 to Aug 68. The ranking cadre noted was 4/3 ((Senior SGT)) Lê Ngọc Phúc, Assistant Platoon Leader of the Sapper Training School of B3 ((Front)).