Summarize
Two activity reports, dated 29 Feb and 19 Mar 72, both signed by Nguyen Van Thanh for the Command Committee of K20. The Unit frequently lacked food and medical supplies, leading to 20% sick personnel. Despite this, they delivered 576 letters, received 131 messages, and guided three cadre groups, participated in two battles, and supported friendly units, including Doi 3 and 5.