Lessons Learned, Headquarters, 169th Engineer Battalion Open PDF Document Details Document Type Technical Report Publication Date Aug 11, 1970 Accession Number AD0882415 Entities Organizations Adjutant General's Corps Tags Communities of Interest Biomedical Human Systems Weapons Technologies DTIC Thesaurus Topics Army Artillery Asphalt Backfills Civic Action Concrete Construction Design Criteria Detonating Cord Engineers Explosives Lessons Learned Maintenance Maintenance Personnel Small Arms Test And Evaluation United States