Lessons Learned, Headquarters, 19th Engineer Battalion (Combat) (Army) Open PDF Document Details Document Type Technical Report Publication Date Apr 30, 1970 Accession Number AD0873030 Entities Organizations Adjutant General's Corps Tags Communities of Interest Biomedical Human Systems Weapons Technologies DTIC Thesaurus Topics Abstracts Army Artillery Concrete Construction Construction Materials Engineers Lessons Learned Materials Mortar Ammunition Newspapers Personnel Management Production Quality Control Radio Stations United States Warfare