Lessons Learned, Headquarters, 79th Engineer Group, (Construction) Open PDF Document Details Document Type Technical Report Publication Date May 14, 1969 Accession Number AD0859379 Entities Organizations Adjutant General's Corps Tags Communities of Interest Biomedical Human Systems Weapons Technologies DTIC Thesaurus Topics Aircrafts Command And Control Construction Engineers Helicopters Lessons Learned Maintenance Management Personnel Organizational Structure Personnel Management Quality Control Security Supervision Test And Evaluation Training United States Warfare