Lessons Learned, Headquarters, 815th Engineer Battalion (Construction) Open PDF Document Details Document Type Technical Report Publication Date Jan 31, 1970 Accession Number AD0869534 Entities Organizations Adjutant General's Corps Tags Communities of Interest Human Systems Weapons Technologies DTIC Thesaurus Topics Accidents Air Cleaners Air Filters Artillery Civic Action Construction Construction Materials Dump Trucks Explosives Lessons Learned Maintenance Materials Psychological Warfare Soil Stabilization Training Warfare Weapons