Lessons Learned, Headquarters, 214th Aviation Battalion Open PDF Document Details Document Type Technical Report Publication Date Aug 08, 1969 Accession Number AD0505950 Entities Organizations Adjutant General's Corps Tags Communities of Interest Human Systems Weapons Technologies DTIC Thesaurus Topics Accidents Aircrafts Ammunition Army Aviation Artillery Clothing Employment Government Procurement Governments Grenades Helicopters Lessons Learned Materials Munitions Security Training Warfare