Lessons Learned, Headquarters, 864th Engineer Battalion (Construction) Open PDF Document Details Document Type Technical Report Publication Date Jan 31, 1970 Accession Number AD0871313 Entities Organizations Adjutant General's Corps Tags Communities of Interest Human Systems Weapons Technologies DTIC Thesaurus Topics Ammunition Artillery Concrete Construction Directives Engineers Enlisted Personnel Health Services Lessons Learned Management Personnel Materials Medical Personnel Personnel Management Rear Areas Task Forces Transportation United States