Lessons Learned, Headquarters, 554th Engineer Battalion (Construction) Open PDF Document Details Document Type Technical Report Publication Date Nov 09, 1968 Accession Number AD0848941 Entities Organizations Adjutant General's Corps Tags Communities of Interest Air Platforms Human Systems DTIC Thesaurus Topics Air Conditioning Army Attack Helicopters Brake Fluids Construction Contracts Dump Trucks Engineers Fluids Helicopters Infantry Lessons Learned Materials Test And Evaluation Training United States Water