Lessons Learned, Headquarters, 18th Engineer Brigade Open PDF Document Details Document Type Technical Report Publication Date Apr 30, 1970 Accession Number AD0872855 Entities Organizations Adjutant General's Corps Tags Communities of Interest C4I Human Systems Weapons Technologies DTIC Thesaurus Topics Aircraft Maintenance Army Artillery Birds Bridges Concrete Construction Construction Materials Engineering Engineers Lessons Learned Maintenance Materials Military Police Precast Concrete Prestressed Concrete Revetments