LESSONS LEARNED, HEADQUARTERS, 809TH ENGINEER BATTALION (CONSTRUCTION) Open PDF Document Details Document Type Technical Report Publication Date Mar 20, 1967 Accession Number AD0824753 Entities Organizations Adjutant General's Corps Tags Communities of Interest Biomedical Human Systems DTIC Thesaurus Topics Air Force Air Force Facilities Concrete Construction Construction Materials Directives Engineers Instructions Lessons Learned Maintenance Maintenance Management Maintenance Personnel Materials Munitions Personnel Management Pol Storage Special Forces