Steel Spans, Open PDF Document Details Document Type Technical Report Publication Date Jan 31, 1984 Accession Number ADA138472 Entities People P. A. Kabanov Organizations National Air and Space Intelligence Center Tags Communities of Interest Air Platforms Biomedical Counter IED Ground and Sea Platforms Human Systems Weapons Technologies DTIC Thesaurus Topics Accidents Civil Engineering Civil War Construction Engineers Explosions Explosives Families (Human) Health Services Land Transportation Medical Personnel Military History Military Science Personnel Management Rail Transportation Transportation Warning Systems