Lessons Learned, Headquarters, 19th Engineer Battalion (Combat)(Army) Open PDF Document Details Document Type Technical Report Publication Date Jul 31, 1968 Accession Number AD0845173 Entities Organizations Adjutant General's Corps Tags Communities of Interest Human Systems Weapons Technologies DTIC Thesaurus Topics Air Compressors Artillery Artillery Ammunition Bridges Concrete Construction Construction Materials Diameters Engineers Explosive Charges Explosives Lessons Learned Materials Propeller Shafts Propellers United States Warfare