Lessons Learned, Headquarters, 214th Aviation Battalion Open PDF Document Details Document Type Technical Report Publication Date Nov 14, 1969 Accession Number AD0507306 Entities Organizations Adjutant General's Corps Tags Communities of Interest Air Platforms Ground and Sea Platforms Human Systems Sensors Weapons Technologies DTIC Thesaurus Topics Accidents Aircraft Equipment Aircrafts Airframes Artillery Command And Control Employment Governments Helicopters Lessons Learned Munitions Surveillance Test And Evaluation Training United States Warfare Weapons