Summarize
(C) Item 1: (1 page, handwritten; B-3) Note, dated 7 Apr 70, signed by Nhu Hoa for 429 ((possibly-Sapper Command, Headquarters, SVNLA)), directs the personnel of two underwater demolition units, including their commanding officers, political officers, executive officers and Comrade Han, Operations and Training Staff Officer, to report to the ((Sapper Command)) on 8 Apr 70 to study coming missions. Footnotes in the document state that Ngô Xuân Hiến, Commanding Officer, Doan 2173 ((possibly Infiltration Group 2173)) and Phuong, Commanding Officer of an underwater demolition unit, received notification at 2030 hours and 2100 hours on 7 Apr 70 respectively. (C) Item 2: (60 pages, handwritten; B-3) Record book, entries undated, maintained by an unidentified person ((possibly a cook of a mess of the Sapper Command Headquarters, SVNLA)), contains miscellaneous notes on food consumed daily by the personnel ((possibly of the or Command)).