Lessons Learned, Headquarters, 538th Engineer Battalion Open PDF Document Details Document Type Technical Report Publication Date Apr 30, 1969 Accession Number AD0859909 Entities Organizations Adjutant General's Corps Tags Communities of Interest Human Systems Weapons Technologies DTIC Thesaurus Topics Artillery Construction Construction Equipment Construction Materials Contracts Employment Engineers Lessons Learned Maintenance Management Personnel Materials Personnel Management Procurement Radio Equipment Shortages (Logistics) Therapy Training