Lessons Learned, Headquarters, 815th Engineer Battalion (Construction) Open PDF Document Details Document Type Technical Report Publication Date Jul 31, 1969 Accession Number AD0861918 Entities Organizations Adjutant General's Corps Tags Communities of Interest Weapons Technologies DTIC Thesaurus Topics Abstracts Army Artillery Bays Construction Construction Materials Earth Fills Engineers Lessons Learned Materials Munitions Observation Production Schools Test And Evaluation United States Warfare