Lessons Learned, Headquarters, 577th Engineer Battalion (Construction) Open PDF Document Details Document Type Technical Report Publication Date Jul 31, 1968 Accession Number AD0844293 Entities Organizations Adjutant General's Corps Tags Communities of Interest Counter IED Human Systems Weapons Technologies DTIC Thesaurus Topics Air Force Facilities Ammunition Army Attack Helicopters Concrete Construction Construction Equipment Dump Trucks Engineers Explosives Helicopters Lessons Learned Medical Personnel Observation Pipes Storage United States