LESSONS LEARNED, HEADQUARTERS, 20TH ENGINEER BATTALION (COMBAT) Open PDF Document Details Document Type Technical Report Publication Date Nov 29, 1967 Accession Number AD0831870 Entities Organizations Adjutant General's Corps Tags Communities of Interest Biomedical Human Systems DTIC Thesaurus Topics Aircrafts Bearing Capacity Concrete Construction Construction Materials Directives Engineers Enlisted Personnel Landing Fields Lessons Learned Materials Personnel Management Test Methods Training Transportation Vehicles Warfare