Lessons Learned, Headquarters, 18th Engineer Brigade Open PDF Document Details Document Type Technical Report Publication Date Jan 31, 1969 Accession Number AD0500911 Entities Organizations Adjutant General's Corps Tags Communities of Interest Biomedical Human Systems DTIC Thesaurus Topics Abstracts Aircrafts Construction Contracts Design Criteria Directives Engineers Government Procurement Helicopters Lessons Learned Maintenance Medical Personnel National Security Personnel Management Training United States Warfare