Summarize
Four notebooks maintained by unidentified cadre, and, three rosters, dated 17 January to 10 March 1969, signed by Nguyên Viêt Tu, Commanding Officer, 2nd Battalion, list the names, ranks, positions, and biographical data of 487 personnel who were killed in action, 31 captured in action, 205 missing in action, 90 wounded in action, and five deserters during the period September 1966 to March 1969.