Lessons Learned, Headquarters, 864th Engineer Battalion (Construction) Open PDF Document Details Document Type Technical Report Publication Date Aug 15, 1970 Accession Number AD0879098 Entities Organizations Adjutant General's Corps Tags Communities of Interest Weapons Technologies DTIC Thesaurus Topics Abstracts Air Compressors Army Artillery Compressors Construction Engineering Engineers Export Controls Government (Foreign) Lessons Learned Observation Schools Security Task Forces Test And Evaluation United States