Lessons Learned, Headquarters, 223d Combat Support Aviation Battalion Open PDF Document Details Document Type Technical Report Publication Date May 12, 1969 Accession Number AD0504616 Entities Organizations Adjutant General's Corps Tags Communities of Interest Air Platforms Biomedical Human Systems Weapons Technologies DTIC Thesaurus Topics Aircrafts Airplanes Artillery Combat Support Downed Aircraft Employment Helicopters Lessons Learned Maintenance National Security Personnel Management Reconnaissance Side Looking Radar Students Surveillance War Colleges Warfare