Lessons Learned, Headquarters, 18th Engineer Brigade Open PDF Document Details Document Type Technical Report Publication Date Oct 31, 1969 Accession Number AD0864140 Entities Organizations Adjutant General's Corps Tags Communities of Interest Air Platforms Human Systems Weapons Technologies DTIC Thesaurus Topics Abstracts Aircrafts Army Artillery Assembly Construction Construction Materials Creosote Earth Fills Engineering Engineers Lessons Learned Maintenance Materials Reinforced Concrete Revetments Warfare