Lessons Learned. Headquarters, 92nd Engineer Battalion (Construction) Open PDF Document Details Document Type Technical Report Publication Date Nov 15, 1969 Accession Number AD0867094 Entities Organizations Adjutant General's Corps Tags Communities of Interest Counter IED Human Systems Weapons Technologies DTIC Thesaurus Topics Artillery Bridges Concrete Construction Construction Materials Court Martial Engineers Explosives Lessons Learned Maintenance Materials Procurement Real Estate Security Transportation United States Water Tanks