Lessons Learned, Headquarters, 159th Engineer Group Open PDF Document Details Document Type Technical Report Publication Date Feb 14, 1970 Accession Number AD0871412 Entities Organizations Adjutant General's Corps Tags Communities of Interest Biomedical Engineered Resilient Systems Human Systems Weapons Technologies DTIC Thesaurus Topics Aircrafts Civic Action Combat Support Concrete Construction Construction Materials Engineering Engineers Fire Support Lessons Learned Logistics Maintenance Maintenance Personnel Personnel Management Reinforced Concrete Security United States