Log Category of Documents:
Pass, dtd 25 Jan 69, signed illegibly by the Deputy Chief, Rear Service Section, Doan Long An ((poss aka 101st NVA Regt, SR 1, COSVN)), authorizes Nguyen Ngoc Thanh, cadre, to proceed to Boi Ldi ((Secret)) Zone to contact the Supply Council, SR1. The Pass is valid until 15 Jun 69.