Lessons Learned, Headquarters, 212th Combat Aviation Battalion Open PDF Document Details Document Type Technical Report Publication Date Nov 21, 1969 Accession Number AD0506888 Entities Organizations Adjutant General's Corps Tags Communities of Interest Air Platforms Energy and Power Technologies Human Systems Weapons Technologies DTIC Thesaurus Topics Aircrafts Ammunition Fragments Artillery Attack Helicopters Helicopters Lessons Learned Munitions National Security Observers Rotary Wing Aircraft Schools Students Test Sets Training United States War Colleges Warfare