Lessons Learned, Headquarters, 69th Engineer Battalion (Construction) Open PDF Document Details Document Type Technical Report Publication Date Aug 10, 1969 Accession Number AD0862576 Entities Organizations Adjutant General's Corps Tags Communities of Interest Human Systems Weapons Technologies DTIC Thesaurus Topics Artillery Construction Construction Materials Employment Engineers Landing Fields Lessons Learned Maintenance Materials Mechanics Moisture Moisture Content Officer Personnel Organizational Structure Personnel Management Reinforced Concrete Training