LESSONS LEARNED, HEADQUARTERS, 20TH ENGINEER BATTALION (COMBAT) Open PDF Document Details Document Type Technical Report Publication Date Feb 12, 1967 Accession Number AD0842071 Entities Organizations Adjutant General's Corps Tags Communities of Interest Air Platforms Weapons Technologies DTIC Thesaurus Topics Aircrafts Army Civilian Personnel Combat Support Construction Engineers Fire Support Groundwater Landing Fields Lessons Learned Maintenance Materials Personnel Management Training Transportation United States Warfare