Lessons Learned, Headquarters, 4th Infantry Division Artillery Open PDF Document Details Document Type Technical Report Publication Date Jul 31, 1969 Accession Number AD0505964 Entities Organizations Adjutant General's Corps Tags Communities of Interest Weapons Technologies DTIC Thesaurus Topics Ammunition Army Artillery Artillery Fire Camouflage Combat Surveillance Government Procurement Governments Lessons Learned Munitions National Security Observation Plotting Boards Radar Security United States Warfare