Lessons Learned, Headquarters, 93d Engineer Battalion (Construction) Open PDF Document Details Document Type Technical Report Publication Date Nov 15, 1968 Accession Number AD0848942 Entities Organizations Adjutant General's Corps Tags Communities of Interest Air Platforms Biomedical Human Systems Weapons Technologies DTIC Thesaurus Topics Aircraft Maintenance Aircrafts Army Concrete Construction Dump Trucks Engineers Helicopters Heliports Infantry Lessons Learned Maintenance Materials Revetments Test And Evaluation Transportation Truck Convoys