ARMOR PENETRATION TESTS OF 20MM API PROJECTILE EX-5 Open PDF Document Details Document Type Technical Report Publication Date Nov 01, 1953 Accession Number AD0024953 Entities People J. J. Glancy Organizations Naval Surface Warfare Center Dahlgren Division Tags DTIC Thesaurus Topics Aircraft Guns Armor Armor Plate Ballistics Body Weight Grain Size Guns Munitions Plastic Explosives Projectiles Security Specifications Terminal Ballistics Terminals Test Equipment Two Dimensional United States