LESSONS LEARNED, HEADQUARTERS, 93D ENGINEER BATTALION (CONSTRUCTION) Open PDF Document Details Document Type Technical Report Publication Date Jan 11, 1968 Accession Number AD0825525 Entities Organizations Adjutant General's Corps Tags Communities of Interest Air Platforms Cyber Human Systems Weapons Technologies DTIC Thesaurus Topics Abstracts Air Filters Air Force Facilities Aircraft Maintenance Aircrafts Army Concrete Construction Construction Materials Engineers Lessons Learned Maintenance Management Personnel Materials Security Training Warfare